Beschrijving:
During the taxi to the runway, the flight crew noted a vibration in the airplane and stopped to check the tires, thinking that they were under inflated. No obvious problem was seen, and they elected to takeoff. Shortly after takeoff, a fire erupted in the left main gear wheel well. The pilot returned to the airport and landed safely. However, the airplane sustained extensive damage to the left wing and aileron control system. Examination of the brakes revealed a cocked thermal insulator in the piston bore. There was evidence that the brakes were worn, had been dragging, then overheated; and that the tires had exploded prior to the fire. The fire damage indicated that the fire had started near the brakes. An aluminum fitting was used as part of the hydraulic brake system on the steel brake housing. The examination indicated that the fitting had been installed but could not be found after the fire. The crew said that they delayed lowering the gear, in contradiction to the checklist requirement when the wheel well and wing overheat light is on.
PROBABLE CAUSE:
landing gear,normal brake system..binding(mechanical)
landing gear,normal brake system..overtemperature
hydraulic system,fitting..melted
acft/equip,inadequate aircraft component..manufacturer
proper assistance..not obtained..pilot in command
CONTRIBUTING FACTORS:
emergency procedure..not followed..pilot in command
| Status: | Accident investigation report completed and information captured |
| Datum: | woensdag 27 juli 1988 |
| Tijd: | 18:17 |
| Type: |  Swearingen SA227-AC Metro III |
| Luchtvaartmaatschappij: | PenAir - Peninsula Airways |
| Registratie: | N482SA |
| Constructienummer: | AC-482 |
| Bouwjaar: | |
| Aantal vlieguren: | 10546 |
| Bemanning: | slachtoffers: 0 / inzittenden: 2 |
| Passagiers: | slachtoffers: 0 / inzittenden: 6 |
| Totaal: | slachtoffers: 0 / inzittenden: 8 |
| Schade: | Groot |
| Gevolgen: | Repaired |
| Plaats: | Anchorage International Airport, AK (ANC) ( Verenigde Staten)
|
| Fase: | Initiële klim (ICL) |
| Soort vlucht: | Binnenlandse lijnvlucht |
| Vliegveld van vertrek: | Anchorage International Airport, AK (ANC/PANC), Verenigde Staten |
| Dillingham Municipal Airport, AK (DLG/PADL), Verenigde Staten |
During the taxi to the runway, the flight crew noted a vibration in the airplane and stopped to check the tires, thinking that they were under inflated. No obvious problem was seen, and they elected to takeoff. Shortly after takeoff, a fire erupted in the left main gear wheel well. The pilot returned to the airport and landed safely. However, the airplane sustained extensive damage to the left wing and aileron control system. Examination of the brakes revealed a cocked thermal insulator in the piston bore. There was evidence that the brakes were worn, had been dragging, then overheated; and that the tires had exploded prior to the fire. The fire damage indicated that the fire had started near the brakes. An aluminum fitting was used as part of the hydraulic brake system on the steel brake housing. The examination indicated that the fitting had been installed but could not be found after the fire. The crew said that they delayed lowering the gear, in contradiction to the checklist requirement when the wheel well and wing overheat light is on.
Probable Cause:
PROBABLE CAUSE:
landing gear,normal brake system..binding(mechanical)
landing gear,normal brake system..overtemperature
hydraulic system,fitting..melted
acft/equip,inadequate aircraft component..manufacturer
proper assistance..not obtained..pilot in command
CONTRIBUTING FACTORS:
emergency procedure..not followed..pilot in command
Accident investigation:
 |
|
Bronnen:
» NTSBVeiligheidsmaatregelen
NTSB issued 2 Safety Recommendations
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Foto's
Kaart
Deze kaart geeft het vliegveld van vetrek weer en de geplande bestemming van de vlucht. De lijn tussen de vliegvelden geeft niet de exacte vliegroute weer.
De afstand tussen Anchorage International Airport, AK en Dillingham Municipal Airport, AK bedraagt 523 km (327 miles).
De afstand tussen Anchorage International Airport, AK en Dillingham Municipal Airport, AK bedraagt 523 km (327 miles).
This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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