# SDR AALA972349

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 9, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N871AA
- Make and model: Boeing 727223
- Aircraft serial: 21383
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Condition: Corroded
- Location: Bs 840-850
- 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/AALA972349

## Discrepancy

TUL - FOUND CORROSION BULGE IN WING LOWER SKIN CENTER SECTION STATION 840-850 RT ABOVE PRIMARY HEAT EXCHANGER.  BLENDED CORROSION FROM AREA AND INSTALLED DOUBLER PER SRM 57-30-3.  (M)

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