# SDR USAA2012011800004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 10, 2012
- Submitted: January 18, 2012
- Operation: Air carrier
- Aircraft: N406US
- Make and model: Boeing 737401
- Aircraft serial: 23876
- Aircraft time: 63,921 hours, 43,064 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Cracked
- Location: Fuselage
- Stage of operation: IN
- How discovered: E
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA2012011800004

## Discrepancy

GEAR CHANGE - FOUND 2 EA CRACKS IN HYLOC HOLE AT R 1 DOOR LOWER HINGE CUTOUT AT BS 291.50, S13R, WL 233.50.  REPAIRED FUSELAGE SKIN AT R1 DOOR LOWER HINGE CUTOUT AT BS 291.50, S13R, WL 233.50 IAW EA 201617.

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