# SDR USAA2011051791876

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 2, 2011
- Submitted: May 18, 2011
- Operation: Air carrier
- Aircraft: N421US
- Make and model: Boeing 737401
- Aircraft serial: 23988
- Aircraft time: 60,126 hours, 40,383 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Part number: 6545800219
- Condition: Cracked
- 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/USAA2011051791876

## Discrepancy

CLT - Q2 - CRACKS IN FUSELAGE SKIN AT L-1 UPPER DOOR HINGE CUTOUTS BS 303.93 BETWEEN WL 257 TO WL 261.  REPAIRED FUSELAGE SKIN AT L-1 UPPER DOOR HINGE CUTOUTS BS 303.93 BETWEEN WL 257 TO WL 261 IAW EA 102888.

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