# SDR P5CA0300729

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 19, 2003
- Submitted: January 30, 2003
- Operation: Air carrier
- Aircraft: N922FT
- Make and model: Boeing 747-2U3B
- Registry model: [Boeing 747-2U3B](https://openairdocs.org/model/boeing-747-2u3b) (OpenAirDocs)
- Aircraft serial: 22768
- Aircraft time: 72,156 hours, 17,725 cycles
- System (JASC): [5411 · Nacelle/Pylon, Frame/Spar/Rib](https://openairdocs.org/jasc/5411)
- Part: Frame
- Part number: NONE
- Part serial: NONE
- Condition: Cracked
- Location: #4 Pylon
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P5CA0300729

## Discrepancy

CRACK FOUND #4 PYLON REAR ENG. MOUNT BULKHEAD FRAME ASSY BELOW NAC WL 167.0 ON L/H FWD, R/H FWD & AFT AT FASTENER HOLE. REPLACEMENT OF CRACKED FRAME ASSY CARRIED OUT AS PER SRM 51-10-01

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