# SDR UPS05245465

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 1, 2005
- Submitted: September 21, 2005
- Operation: Air carrier
- Aircraft: [N922UP](https://openairdocs.org/aircraft/N922UP), registered now
- Make and model: Boeing 727-31C
- Registry model: [Boeing 727-31C](https://openairdocs.org/model/boeing-727-31c) (OpenAirDocs)
- Aircraft serial: 19231
- Aircraft time: 49,681 hours, 37,104 cycles
- System (JASC): [5420 · Nacelle/Pylon Miscellaneous Structure](https://openairdocs.org/jasc/5420)
- Part: Bushing
- Condition: Corroded
- Location: Nr 1 Pylon
- 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/UPS05245465

## Discrepancy

INSPECTION TYPE:C NR 1 ENGINE FWD ENGINE MOUNT PITTING CORROSION IN BORE OF MOUNT HOLES (TW O/B HOLES).  BUSHINGS REPLACED IAW SOPM 20-50-03 AND EO B727-5440-1592 APNDX-A.

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