# SDR UPS99230879

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 25, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N951UP
- Make and model: Boeing 727-25C
- Registry model: [Boeing 727-25C](https://openairdocs.org/model/boeing-727-25c) (OpenAirDocs)
- Aircraft serial: 19850
- System (JASC): [2760 · Drag Control System](https://openairdocs.org/jasc/2760)
- Part: Mount
- Part number: 41400600
- Condition: Corroded
- Location: Spoiler Mixer
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS99230879

## Discrepancy

INSPECTION TYPE:SI, WHILE WORKING NRC 997902 (WINGS 169) FOUND UPPER MOUNT LEGS CORRODED ON SPOILER MIXER.  CORROSION FOUND TO BE OUT OF LIMITS.  NEW SPOILER MIXER INSTALLED PER MM 27-61-31.

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