# SDR USAA070111

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 20, 2007
- Submitted: February 20, 2007
- Operation: Air carrier
- Aircraft: N439US
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24781
- Aircraft time: 44,385 hours, 44,385 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Door Frame
- Condition: Damaged
- Location: Fuselage
- 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/USAA070111

## Discrepancy

RADIATING FROM LOWER O/B STOP BOLT HOLE, STA 492.4, S24R, FWD CARGO DOOR DAMAGE.  INSTALLED DOUBLER PER EA 98497, DEFECT SIZE:  .375 INCH.

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