# SDR AALA202010129006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 10, 2020
- Submitted: October 12, 2020
- Operation: Air carrier
- Aircraft: [N916NN](https://openairdocs.org/aircraft/N916NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31163
- Aircraft time: 23,406 hours, 9,600 cycles
- System (JASC): [5710 · Wing Main, Frame Structure](https://openairdocs.org/jasc/5710)
- Part: Vapor Barrier
- Condition: Cracked
- Location: Lt Mlg Ww
- 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/AALA202010129006

## Discrepancy

AIRCRAFT WAS NOT GROUNED.  LEFT HAND MAIN LANDING GEAR WHEEL WELL VAPOR BARRIER CRACKED AT LBL 32, JUST FORWARD OF THE A HYDRAULIC SYSTEM RETURN FILTER ASSEMBLY.  REPAIRED VAPOR BARRIER, PER AARD 57-10-10-9.

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