What was found
UNDERSIDE OF NR 4 ENGINE NACELLE IS DAMAGED. REPLACED INLET COWL NR 4 ENGINE REF MM & CHECKS REF JRH 2-86-1, ALL SATISFACTORY, NO FURTHER DEFECTS.
- Difficulty date
- September 17, 2011
- Submitted
- October 13, 2011
- Operation
- Air carrier
- Aircraft
- N171UA
- Make and model
- Boeing 747422
- Aircraft serial
- 24322
- Aircraft time
- 83,077 hours, 9,908 cycles
- Engine
- Pwa PW4056
- Engine time
- 37,328 cycles
- System (JASC)
- 7110 · Engine Cowling System
- Part
- Cowling
- Part number
- 314T40106SP
- Part serial
- 18
- Condition
- Damaged
- Location
- Nr 4 Engine
- 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.