# SDR FDEA202608051085

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 5, 2026
- Submitted: August 17, 2026
- Operation: Air carrier
- Aircraft: [N613FE](https://openairdocs.org/aircraft/N613FE), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48749
- Aircraft time: 85,137 hours, 20,989 cycles
- System (JASC): [5412 · Nacelle/Pylon, Bulkhead/Firewall](https://openairdocs.org/jasc/5412)
- Part: Bulkhead
- Part number: AUB7525501
- Condition: Corroded
- 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/FDEA202608051085

## Discrepancy

NR 1 ENG PYLON AFT BULKHEAD LUG BORE HOLE FOUND WITH CORROSION AFTER SPHERICAL. BEARING REMOVED. CORROSION AT NR 1 ENG PYLON AFT BULKHEAD LUG BORE HOLE CARRIED OUT REPAIR IAW EA 1-5440-T0388257, PART 1.  INSPECTION FINDINGS,  THIS EA DEVIATES FROM EO 1-5440-  E0385675. REPAIR CLASSIFIED AS MAJOR PER GMM 6-2-100.

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