# SDR AALA20170604007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 4, 2017
- Submitted: June 7, 2017
- Operation: Air carrier
- Aircraft: [N873NN](https://openairdocs.org/aircraft/N873NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 40766
- Aircraft time: 18,237 hours, 7,319 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Part number: 111A4102
- 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/AALA20170604007

## Discrepancy

AIRCRAFT WAS IN BASE MAINTENANCE.  CORROSION ON CENTER WING LOWER SKIN PANEL BENEATH THE UPPER DRAG LINK ASSEMBLY, FUSELAGE STATION 540, S22L.  REPAIRED IAW SRM 51-10-02-0G AND EA 270348.

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