# SDR USAA002106

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 8, 2000
- Submitted: March 5, 2001
- Operation: Air carrier
- Aircraft: N436US
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24558
- System (JASC): [7120 · Engine Mount Section](https://openairdocs.org/jasc/7120)
- Part: Crossbeam
- Part number: 310A10227
- Condition: Worn
- Location: Engine Mount
- Part time: 16,309 hours
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA002106

## Discrepancy

PIT - FOUND ENGINE MOUNT CROSSBEAM .015 INCH WEAR, BEARING BORE ON TOP OF MOUNT.  OPEN UP BORE .005 ON TOP OF MOUNT.  OPEN UP BORE .005 INCH TO INSTALL 2 OVERSIZE BEARINGS PER EA 57451.  (M)

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