# SDR AALA20121011021

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 11, 2012
- Submitted: October 12, 2012
- Operation: Air carrier
- Aircraft: [N856NN](https://openairdocs.org/aircraft/N856NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31107
- Aircraft time: 6,485 hours, 2,564 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Corroded
- Location: Fuselage
- 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/AALA20121011021

## Discrepancy

PITTING/CORROSION ON FUSELAGE SKIN FROM STATIONS 986 TO 1016 AND STRINGERS 21 AND 22 LEFT.  REMOVED ALL CORROSION PER SRM 51-10-02.  PERFORMED DIGITAL THICKNESS MEASUREMENT, AREA WITHIN LIMITS PER EA B737-53-026523.  INSTALLED FASTENERS FROM STATIONS 986 TO 1016 AND STRINGERS 21 TO 22 LEFT PER SRM 51-40-02.

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