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| Date: | Friday 7 June 2013 |
| Time: | |
| Type: |  Boeing 737-838 (WL) |
| Owner/operator: | Jetconnect |
| Registration: | ZK-ZQG |
| MSN: | 34190/3683 |
| Year of manufacture: | 2011 |
| Engine model: | CFMI CFM56-7B |
| Fatalities: | Fatalities: 0 / Occupants: 0 |
| Other fatalities: | 0 |
| Aircraft damage: | Minor |
| Category: | Incident |
| Location: | Auckland International Airport (AKL/NZAA) -
 New Zealand
|
| Phase: | Standing |
| Nature: | - |
| Departure airport: | - |
| - | |
| Investigating agency: | TAIC |
| Confidence Rating: |  Accident investigation report completed and information captured |
On 7 June 2013 a Boeing 737-838 operated by Jetconnect Limited was undergoing scheduled maintenance at Auckland International Airport. During an inspection of the forward electronics and equipment compartment area under the flight deck, metal filings were found next to the stabiliser trim cable drum. On closer inspection a rag was found trapped under the stabiliser trim cable windings on the forward cable drum.
The rag had made the cable windings bulge outwards, which caused the cables to contact the cable guides, creating the metal filings and damaging the guides. The rag had increased the cable tension of the stabiliser trim system, which resulted in damage to a number of cable pulleys through which it was rigged. The control cables had also started to wear through contact with the steel bolts that held the cable guide spacers in place.
The New Zealand Transport Accident Investigation Commission (TAIC) found that it was highly likely the rag originated from the Qantas Sydney maintenance hangar, and that the presence of the rag trapped in the cable drum windings compromised the integrity of the aeroplane's stabiliser trim system manual control.
The key lesson learnt from the inquiry into this occurrence was that all personnel must take care not to leave anything behind inside an aircraft after completing maintenance or cleaning tasks, especially in areas or near systems critical to flight safety.
Accident investigation:
 |
|
Sources:
https://taic.org.nz/inquiries?SkinSrc=[G_]skins/taicAviation/skin_aviation
History of this aircraft
Other occurrences involving this aircraft
| 28 May 2021 | VH-VYZ | Qantas | 0 | Darwin Airport, NT (DRW/YPDN) |  |
min |
| Collision with Ground support equipment | ||||||
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 26-Mar-2015 21:22 | harro | Added |
| 05-Feb-2022 22:39 | Ron Averes | Updated [Location, ] |
| 27-May-2023 02:01 | Ron Averes | Updated |
Corrections or additions? ... Edit this accident description
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