# SDR 07FDEA04779

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 13, 2007
- Submitted: November 14, 2007
- Operation: Air carrier
- Aircraft: [N901FD](https://openairdocs.org/aircraft/N901FD), registered now
- Make and model: Boeing 757-2B7
- Registry model: [Boeing 757-2B7](https://openairdocs.org/model/boeing-757-2b7) (OpenAirDocs)
- Aircraft serial: 27122
- Aircraft time: 46,553 hours, 19,092 cycles
- System (JASC): [5410 · Nacelle/Pylon, Main Frame](https://openairdocs.org/jasc/5410)
- Part: Bushing
- Part number: 311N505822
- Condition: Misaligned
- Location: Nr 1 Nacelle
- 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/07FDEA04779

## Discrepancy

NR 1 PYLON LOWER SPAR FITTING 311N5024-3 ASSY HAS 2, 311N5058-22 BUSHINGS WITH THE INTERNAL BORE NOT PERPENDICULAR TO THE FITTING.  REMOVED BUSHINGS 2 PER SRM 54-50-90.  CHECKED LUG PER NTM 51-00-13, NO DAMAGE FOUND.  LUG HOLE DIAMETER 1.531".  FABRICATED 2 NEW BUSHINGS PER SRM 54-50-90, ON MAE TRAVELER NR T7/711482.  INSTALLED NEW BUSHINGS 2, PER SRM 54-50-90.  REPAIR NR 5, MACHINED THE INNER DIAMETER OF THE BUSHINGS TO 1.313" PER SRM 54-50-90, REPAIR NR 5.  AIRPLANE MANUFACTURED FEB 1993, LESS THAN 15 YEARS AGO.

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