# SDR CALA2014121701528

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 15, 2014
- Submitted: December 17, 2014
- Operation: Air carrier
- Aircraft: [N17122](https://openairdocs.org/aircraft/N17122), registered now
- Make and model: Boeing 757224
- Aircraft serial: 27564
- Aircraft time: 66,010 hours, 16,913 cycles
- System (JASC): [5412 · Nacelle/Pylon, Bulkhead/Firewall](https://openairdocs.org/jasc/5412)
- Part: Bulkhead
- Part number: 311N50054
- Condition: Cracked
- Location: Rt 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/CALA2014121701528

## Discrepancy

RIGHT ENG PYLON CRITICAL FASTENER NR 2 ON TORQUE BULKHEAD HAS CRACK INDICATION.  R & R  TORQUE BULKHEAD 311N5005-4 IAW ECRA 5410-01773.  SEE WIPS FOR ALL WORK ACCOMPLISHED.

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