# SDR AALA20150425004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 25, 2015
- Submitted: May 5, 2015
- Operation: Air carrier
- Aircraft: [N910AN](https://openairdocs.org/aircraft/N910AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29512
- Aircraft time: 47,949 hours, 19,072 cycles
- System (JASC): [5411 · Nacelle/Pylon, Frame/Spar/Rib](https://openairdocs.org/jasc/5411)
- Part: Spar
- Part number: 311A2290224
- Condition: Corroded
- Location: Lt Nacelle
- 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/AALA20150425004

## Discrepancy

LEFT ENG PYLON HAS CORROSION ON UPPER SPAR, SECOND BAY FWD OF AFT ENGINE MOUNT BULKHEAD, THROUGH ACCESS PANEL 433A.  R & R LT PYLON.

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