What was found
INSPECTION TYPE: C, NR 1 PYLON I/B AFT LOWER SPAR WEB FOUND CRACKED JUST AFT OF REAR ENGINE MOUNT BULKHEAD. NR 1 PYLON LOWER SPAR WEB I/B EDGE AREA REPAIRED AS PER SRM 54-10-03 FIG 23.
- Difficulty date
- January 3, 2004
- Submitted
- January 12, 2004
- Operation
- Air carrier
- Aircraft
- N677UP
- Make and model
- Boeing 747123F
- Aircraft serial
- 20391
- Aircraft time
- 91,214 hours, 22,751 cycles
- System (JASC)
- 5411 · Nacelle/Pylon, Frame/Spar/Rib
- Part
- Spar
- Part number
- 177PH0125IN
- Condition
- Cracked
- Location
- Nr 1 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.