# SDR CALA0700695

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 23, 2007
- Submitted: November 29, 2007
- Operation: Air carrier
- Aircraft: [N12109](https://openairdocs.org/aircraft/N12109), registered now
- Make and model: Boeing 757224
- Aircraft serial: 27299
- Aircraft time: 49,671 hours, 13,756 cycles
- System (JASC): [5420 · Nacelle/Pylon Miscellaneous Structure](https://openairdocs.org/jasc/5420)
- Part: Fitting
- Part number: 311N50052
- Condition: Cracked
- Location: Nr 1 Pylon
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA0700695

## Discrepancy

REF EA 5440-01234 REV B OP 11 FASTENER 20 HAS CRACK INDICATION, NR 1 PYLON AFT BULKHEAD FITTING.  REPAIRED PER ECRA 5450-01724.

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