# SDR USAA990598

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 17, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N300AU](https://openairdocs.org/aircraft/N300AU), registered now
- Make and model: Boeing 737301
- Aircraft serial: 23228
- System (JASC): [5240 · Service Doors](https://openairdocs.org/jasc/5240)
- Part: Skin
- Part number: 6545871523
- Condition: Crack
- Location: Service Door
- Part time: 40,551 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/USAA990598

## Discrepancy

TPA - DURING CX-1 CHECK VISUAL INSPECTION, FOUND A .125 INCH CRACK AT FORWARD LOWER RADIUS AND .125 INCH CRACK AT FASTENER ABOVE HINGE CUTOUT FORWARD SERVICE DOOR SKIN.  INSTALLED DOUBLER PER EA 64745.  (M)

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