What was found
INSPECTION TYPE:C, NR 4 PYLON NAC STA 232 APPROX I/B RIB CRACKED AS MARK (JUST FWD OF PYLON VALVE PANEL CUTOUT). NR 4 PYLON RIB REPLACED AND INSTALLED AS PER SRM 51-10-01 PG 8 AND SRM 51-30-02.
- Difficulty date
- July 12, 2004
- Submitted
- August 4, 2004
- Operation
- Air carrier
- Aircraft
- N522UP
- Make and model
- Boeing 747200
- Aircraft serial
- 21936
- Aircraft time
- 68,765 hours, 16,239 cycles
- System (JASC)
- 5411 · Nacelle/Pylon, Frame/Spar/Rib
- Part
- Rib
- Part number
- 65B903082
- Condition
- Cracked
- Location
- Nr 4 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.