# SDR AALA960980

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 29, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N720AA](https://openairdocs.org/aircraft/N720AA), registered now
- Make and model: Boeing 727227
- Aircraft serial: 20613
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Condition: Corroded
- Location: Ws 825
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA960980

## Discrepancy

TUL - LOWER WING SKIN CORRODED ABOVE LEFT PRIMARY HEAT EXCHANGE.  REMOVED CORROSION, INSTALLED DOUBLER AND TRIPLER PER SRM 57-30-3, PAGE 25.    TST:  64,997 HOURS.  CYCLES, 44,491.  (X)

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