What was found
PDX: LT AFT EXHAUST AFT TRUNNIONS ARE CRACKED IN WELDS ON INNER WALLS. MAINTENANCE REPAIRED IAW Q400 AMM 78-10-11-000-801, HORIZON EA 6-54-423, NDTM PART 6, 51-00-01 AND Q400 SRM 51-42-05-330-801.
- Difficulty date
- July 4, 2006
- Submitted
- September 1, 2006
- Operation
- Air carrier
- Aircraft
- N424QX
- Make and model
- Bombdr DHC8402
- Aircraft serial
- 4006
- Aircraft time
- 11,843 hours, 8,638 cycles
- System (JASC)
- 7810 · Engine Collector/Tailpipe/Nozzle
- Part
- Trunnion
- Condition
- Cracked
- Location
- Exhaust
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.