# SDR 08FDEA00097

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 10, 2008
- Submitted: January 11, 2008
- Operation: Air carrier
- Aircraft: [N903FD](https://openairdocs.org/aircraft/N903FD), registered now
- Make and model: Boeing 757-2B7
- Registry model: [Boeing 757-2B7](https://openairdocs.org/model/boeing-757-2b7) (OpenAirDocs)
- Aircraft serial: 27124
- Aircraft time: 47,097 hours, 19,245 cycles
- System (JASC): [5412 · Nacelle/Pylon, Bulkhead/Firewall](https://openairdocs.org/jasc/5412)
- Part: Bulkhead
- Part number: 311N50434
- Condition: Damaged
- Location: Zone 400
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/08FDEA00097

## Discrepancy

WHILE ACCOMPLISHING EO NR F-5450-7-5005 PT2, THE NR 2 PYLON MID BULKHEAD FWD LT BOLT HOLE WAS FOUND AT MAXIMUM DIAMETER OF 0.3918".  MAXIMUM DIAMETER PER EO IS 0.3901-0.3911".  THE FWD RT BOLT HOLE WAS FOUND TO BE 0.3934", OUT OF LIMITS PER EO.  HFEC INSPECTED MID BULKHEAD FWD LT AND RT BOLT HOLES PER NDT MANUAL PART 6, SECTION 51-00-00.  REAMED AND INSTALLED LOCK FASTENERS AT BOTH LOCATIONS AND VISUALLY INSPECTED FOR PROPER INSTALLATION PER EA F-5450-110813.

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