# SDR DL757060773

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 22, 2006
- Submitted: October 2, 2006
- Operation: Air carrier
- Aircraft: N632DL
- Make and model: Boeing 757232
- Aircraft serial: 23613
- Aircraft time: 62,114 hours, 29,843 cycles
- System (JASC): [7120 · Engine Mount Section](https://openairdocs.org/jasc/7120)
- Part: Mount
- Part number: 311N32111
- Condition: Corroded
- Location: Nr 2 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/DL757060773

## Discrepancy

DURING THE CURRENT HMV3 CHECK, THE NR 1 PYLON P/N 311N3211-1 FORWARD ENGINE MOUNT FITTING WAS FOUND WITH FRETTING CORROSION ON THE LOWER SURFACE AROUND THE MOUNT HOLES.  ACCOMPLISHED PERMANENT REPAIR PER PRODUCTION PERMIT B757-54-25939PA REF ERA 457244-14.

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