# SDR 2007UALA04531

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 1, 2007
- Submitted: November 6, 2007
- Operation: Air carrier
- Aircraft: N374UA
- Make and model: Boeing 737322
- Aircraft serial: 24639
- Aircraft time: 50,721 hours, 3,500 cycles
- Engine: Ge CFM56*
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Worn
- Location: Bs 860-887
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2007UALA04531

## Discrepancy

EXTERNAL FUSE SKIN HAS SEVERAL AREAS OF WEAR UNDER DORSAL FIN LANDING FROM BS 860-887, BLENDED WORN AREAS AND ACP NDT FOR CRACKS AND MATERIAL LOSS.  FABRICATED AND INSTALLED EXTERNAL DOUBLER AND INTERNAL TEAR STRAP DOUBLERS AND BONDED.


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