# SDR USAA020068

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 23, 2002
- Submitted: March 28, 2002
- Operation: Air carrier
- Aircraft: N391US
- Make and model: Boeing 737-3B7
- Registry model: [Boeing 737-3B7](https://openairdocs.org/model/boeing-737-3b7) (OpenAirDocs)
- Aircraft serial: 23313
- System (JASC): [5740 · Wing, Attach Fittings](https://openairdocs.org/jasc/5740)
- Part: Fitting
- Part number: 65C3649221
- Condition: Cracked
- Location: Wing
- Part time: 47,034 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/USAA020068

## Discrepancy

PIT - FOUND LEFT MLG BEAM SUPPORT FITTING 1 INCH LONG VERTICAL CRACK, TOP INBOARD FASTENER FROM BEAM PIN SLOT TO FTG EDGE.  REPLACED FITTING PER BOEING SB 737-57-1216 REV 2 DATED 5/6/99 AND EA 73242.  (M)

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