# SDR FDEA201607272632

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 27, 2016
- Submitted: July 29, 2016
- Operation: Air carrier
- Aircraft: [N954FD](https://openairdocs.org/aircraft/N954FD), registered now
- Make and model: Boeing 757236
- Aircraft serial: 29113
- Aircraft time: 32,836 hours, 19,728 cycles
- System (JASC): [5412 · Nacelle/Pylon, Bulkhead/Firewall](https://openairdocs.org/jasc/5412)
- Part: Bulkhead
- Part number: 311N52903
- Condition: Cracked
- Location: Nr 1 Nacelle
- 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/FDEA201607272632

## Discrepancy

NR 1 PYLON VERTICAL FLANGE OTBD CRACKED.  NR 1 PYLON VERTICAL FLANGE OTBD LOWER HOLE HAS A CRACK.  ALL WORK ACCOMPLISHED IAW EA F-5450-T0326976, P1 NACELLES, PYLON.  PYLONS, STRUCTURES DEVIATION TO EO F-5450-7-5006, DUE TO CRACK IN BULKHEAD AT BRACE FITTING MOUNT HOLE ON NR 1, LT PYLON.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.