What was found
DAMAGE TO NR 4 NOSE COWL. PUNCTURE AT 5:00 POSITION, APPROX 4 INCHES LENGTH FORE TO AFT, 2 INCHES IN WIDTH, APPROX 1.25 INCHES DEEP. REPLACED NR 4 NOSE COWL.
- Difficulty date
- February 13, 2013
- Submitted
- March 4, 2013
- Operation
- Air carrier
- Aircraft
- N121UA
- Make and model
- Boeing 747422
- Aircraft serial
- 29167
- Aircraft time
- 58,031 hours, 6,764 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 7220 · Turbine Engine Air Inlet Section
- Part
- Nose Cowl
- Part number
- 314T40807
- Part serial
- 001050
- 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.