What was found
NR 1 PYLON AFT BULKHEAD I/B FRAME ADJ TO UPPER SPAR FTG CRACKED APPROX .1875 RUNNING I/B AND O/B, CRACK LENGTH .1875. NR 1 PYLON AFT BULKHEAD I/B FRAME REPAIRED AS PER HX RS R54-53-35295 AND UPS EA ENGINEERING FILE NR 747-54-20051.
- Difficulty date
- April 14, 2005
- Submitted
- May 4, 2005
- Operation
- Air carrier
- Aircraft
- N523UP
- Make and model
- Boeing 747283B
- Aircraft serial
- 22381
- Aircraft time
- 74,408 hours, 15,331 cycles
- System (JASC)
- 5411 · Nacelle/Pylon, Frame/Spar/Rib
- Part
- Frame
- Condition
- Cracked
- Location
- Nr 1 Pylon
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.