# SDR 97UAL900211

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 10, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N157UA
- Make and model: Boeing 747123
- Aircraft serial: 20106
- Engine: Pwa JT9D7A
- System (JASC): [3211 · Main Landing Gear Attach Section](https://openairdocs.org/jasc/3211)
- Part: Fitting
- Part number: 65B044761
- Condition: Cracked
- Location: Mlg
- Part time: 70,408 hours
- 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/97UAL900211

## Discrepancy

MAIN LANDING GEAR (BODY) TRUNNION BACK-UP FITTING WAS CRACKED AND CORRODED.  TRUNNION FITTING REPLACED WITH NEW FITTING.

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