# SDR CALA2025090108315

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 9, 2025
- Submitted: September 1, 2025
- Operation: Air carrier
- Aircraft: [N657UA](https://openairdocs.org/aircraft/N657UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 27112
- Aircraft time: 125,951 hours, 19,305 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Part number: 146T324112
- Condition: Corroded
- Location: Zone 100
- 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/CALA2025090108315

## Discrepancy

DURING LOWER LOBE INTERIOR BS 1540 TO 1629,  CDP INSPECTION IT WAS FOUND SIGNS OF CORROSION ON SKIN BETWEEN S38L & S39L LOCATED BETWEEN BS 1540 & 1562.   PERFORMED INTERIM REPAIR IAW EC/RA 5360-01993, REV A   PERFORMED INSPECTION & INTERIM REPAIR WAS ACCOMPLISHED IAW EC/RA 5360-01993, REV A.

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