- Difficulty date
- May 8, 2001
- Submitted
- May 25, 2001
- Operation
- Air carrier
- Make and model
- Boeing 747123
- Aircraft serial
- 20323
- Aircraft time
- 72,316 hours, 20,588 cycles
- Part
- Frame
- Condition
- Cracked
- Location
- Nr 4 Pylon
- 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.
What was found
INSPECTION TYPE:C-2, NR 4 PYLON AFT TORQUE BULKHEAD LT CHORD ABOVE LOWER SPAR FITTING FOUND 1 HOLE CRACK AT 2 O''CLOCK POSITION (LOOKING FWD) APPROX 0.100 INCH LONG. NR 4 PYLON AFT TORQUE BULKHEAD LT CHORD ABOVE LWR SPAR FITTING REPAIRED AS PER HX RS R54-53-34658.