- Difficulty date
- August 30, 2022
- Submitted
- August 31, 2022
- Operation
- Air carrier
- Make and model
- Boeing 747412
- Aircraft serial
- 26557
- Aircraft time
- 86,781 hours, 14,100 cycles
- Engine
- Pwa PW4056
- Part
- Duct
- Part number
- 315T4014156A
- Part serial
- 000032
- Condition
- Bulged
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NO.2 ENG - RH C-DUCT INNER SURFACE BULGED & DELAMINATION REPLACEMENT