# SDR UALA2012041502258

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 14, 2012
- Submitted: April 20, 2012
- Operation: Air carrier
- Aircraft: [N660UA](https://openairdocs.org/aircraft/N660UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 27115
- Aircraft time: 82,251 hours, 13,152 cycles
- Engine: Pwa PW4060
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Corroded
- Location: Bs 1543 S39l/R
- 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/UALA2012041502258

## Discrepancy

FUSELAGE SKIN HAS CORROSION AT BS 1543 BETWEEN STRINGERS S-39L & S-39R AT BILGE DRAIN VALVE.   BLENDED CORROSION AND FOUND MATERIAL LOSS OUT OF LIMITS OF SRM.  TRIMMED OUT DAMAGE & ACP HFEC OF CUTOUT & OPEN HOLES COMMON TO REPAIR.  NO CRACKS FOUND.  FABRICATED & INSTALLED EXTERNAL DOUBLER, FILLER & TRIPLER REF EA PT67-53-006 & ECRA 5360-01189.  MAJOR REPAIR

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