# SDR UPS99231117

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 8, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N921UP](https://openairdocs.org/aircraft/N921UP), registered now
- Make and model: Boeing 727180C
- Aircraft serial: 19874
- System (JASC): [3211 · Main Landing Gear Attach Section](https://openairdocs.org/jasc/3211)
- Part: Link
- Part number: 658595926
- Condition: Corroded
- Location: Rt Mlg
- 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/UPS99231117

## Discrepancy

INSPECTION TYPE: AD, RT MLG TRUNNION LINK HAS PITTING CORROSION ON FORWARD BEARING SURFACE.  REPLACED TRUNNION LINK ASSEMBLY.  INSTALLED IAW MM 32-11-01.

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