ASN Wikibase Occurrence # 163619
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| Date: | Tuesday 28 January 2014 |
| Time: | 12:45 |
| Type: |  Piper PA-34-200 Seneca I |
| Owner/operator: | Private |
| Registration: | N16389 |
| MSN: | 34-7350138 |
| Year of manufacture: | 1973 |
| Total airframe hrs: | 6617 hours |
| Engine model: | Lycoming IO-360-C1E6 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | West Palm Beach Int'l Airport, West Palm Beach, Florida -
 United States of America
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | Marsh Harbour-Leonard M. Thompson International Airport (MHH/MYAM) |
| West Palm Beach, FL (PBI) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot/owner reported that, during the approach, he noted that the nose landing gear (NLG) indication light was not illuminated. He aborted the landing and chose to fly by the air traffic control tower to have a controller check the position of the landing gear. An air traffic controller reported that the landing gear appeared to be down. The airplane was then cleared to land, and, during the landing roll, the NLG collapsed, and the airplane came to rest on the runway.
Postaccident examination revealed that there was a hydraulic leak above the NLG actuator and that the NLG drag links were not secured in accordance with the manufacturer’s maintenance manual. Over 9 years before the accident, the manufacturer issued a mandatory service bulletin (SB) that required inspections of the NLG, including inspection of the NLG actuator mounting bracket for cracks, elongation of the holes where the retraction link attaches, and loose mounting rivets, and the lubrication of the NLG assembly at a frequency interval not to exceed 50 hours. Subsequently, the Federal Aviation Administration issued an airworthiness directive (AD) requiring the actions contained in the SB.
The postaccident examination also revealed that a microswitch appeared to have recently been replaced; however, no associated maintenance entry was found during a review of the airplane’s maintenance logbooks. The review did reveal that the airplane’s most recent annual inspection was performed about 2 years and 300 flight hours before the accident, that the AD was complied with at that time, and that no defects were noted. No other entries regarding annual inspections or compliance with the SB or AD were noted. Therefore, it is likely that the airplane was not in compliance with the SB or AD at the time of the accident, which likely resulted in the NLG being unable to operate properly and in its collapsing on landing. If the airplane owner had maintained the airplane in accordance with the SB and AD, the hydraulic leak and the improperly secured NLG drag links could have been detected and corrected, which could have prevented the NLG collapse.
Probable Cause: The pilot/owner’s failure to maintain the airplane in accordance with a mandatory service bulletin and an airworthiness directive, which resulted in the nose landing gear collapse during landing.
Accident investigation:
 |
|
Sources:
NTSB
FAA register: 4. FAA: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=N16389
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 29-Jan-2014 20:56 | Geno | Added |
| 20-Mar-2015 22:24 | Dr. John Smith | Updated [Operator, Location, Nature, Departure airport, Destination airport, Source, Damage, Narrative] |
| 20-Mar-2015 22:27 | Dr. John Smith | Updated [Date] |
| 21-Dec-2016 19:28 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 29-Nov-2017 13:22 | ASN Update Bot | Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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