# SDR FDEA202608211201

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 21, 2026
- Submitted: August 21, 2026
- Operation: Air carrier
- Aircraft: [N595FE](https://openairdocs.org/aircraft/N595FE), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48553
- Aircraft time: 99,685 hours, 21,373 cycles
- System (JASC): [5410 · Nacelle/Pylon, Main Frame](https://openairdocs.org/jasc/5410)
- Part: Bulkhead
- Part number: AUB7525501
- Condition: Damaged
- Location: Zone 400
- 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/FDEA202608211201

## Discrepancy

NR 1 PYLON AFT SPHERICAL BEARING EXISTING BORE HOLE MEASURED DIAMETER = 2.9995.  AND FOUND CORROSION.  CORROSION AT NR 1 PYLON AFT BULKHEAD CARRIED OUT REPAIR IAW EA 1-5440-T0388481, PART1.  THIS EA DEVIATES FROM EO 1-5440-E0385675, PART 1.  REPAIR CLASSIFIED AS MAJOR IAW GMM 6-2-100.

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