# SDR AALA202112062687

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 4, 2021
- Submitted: December 6, 2021
- Operation: Air carrier
- Aircraft: [N821NN](https://openairdocs.org/aircraft/N821NN), registered now
- Make and model: Boeing 737*
- Aircraft serial: 30912
- Aircraft time: 36,003 hours, 14,648 cycles
- System (JASC): [5753 · Trailing Edge Flaps](https://openairdocs.org/jasc/5753)
- Part: Flap
- Part number: 113A370023
- Part serial: 003159
- Condition: Delaminated
- Location: Zone 500 - Lh Wi
- Part time: 36,003 hours, 14,648 cycles
- 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/AALA202112062687

## Discrepancy

AIRCRAFT WAS GROUNDED: TOP SIDE OF LEFT OUT BOARD AFT TRAILING EDGE FLAP DELAMINATED. REMOVED AND REPLACED LEFT OUT BOARD AFT FLAP PER AMM 27-51-21.

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