# SDR AALA202509031054

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 19, 2025
- Submitted: September 3, 2025
- Operation: Air carrier
- Aircraft: [N770UW](https://openairdocs.org/aircraft/N770UW), registered now
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 1393
- Aircraft time: 61,549 hours, 39,575 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin Panel
- Part number: D5725240300200
- Condition: Corroded
- Location: Zone 500
- 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/AALA202509031054

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: CORROSION ON TRAILING EDGE TOP SKIN LOWER SURFACE EXACTLY LOCATION IS RIB 14 PLUS 16 INCHES LEFT WING L=7.540 INCHES W=2.000 INCHES D=0.030 INCHES. MAINTENANCE PERFORMED TIME LIMITED REPAIR (EXTERNAL DOUBLER) ON RIB 14 PLUS 16 INCHES ON TRAILING EDGE TOP SKIN LEFT WING IAW EA#366421.

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