# SDR FDEA202606100693

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 10, 2026
- Submitted: June 10, 2026
- Operation: Air carrier
- Aircraft: [N574FE](https://openairdocs.org/aircraft/N574FE), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48499
- Aircraft time: 101,052 hours, 24,019 cycles
- System (JASC): [5410 · Nacelle/Pylon, Main Frame](https://openairdocs.org/jasc/5410)
- Part: Bearing
- Condition: Damaged
- Location: Zone 400
- Component: Bulkhead, Doug
- Component part number: AUB7525501
- 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/FDEA202606100693

## Discrepancy

NR 1 ENGINE PYLON AFT BULKHEAD LUG BORE HOLE FOUND WITH EXISTING DAMAGE AND CORROSION AFTER SPHERICAL BEARING REMOVED.   REPAIR CARRIED OUT AS PER EA# 1-5440-T0387712 PART1 AND PART 2 AND PART 3.  NR 1 PYLON, REMOVAL AND REPLACEMENT OF AFT BULKHEAD  THIS EA DEVIATES FROM EO 1-5440-EO385675. REPAIR CLASSIFIED AS MAJOR PER GMM 6-2-100.

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