# SDR AALA202312123749

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 3, 2023
- Submitted: December 12, 2023
- Operation: Air carrier
- Aircraft: [N800AN](https://openairdocs.org/aircraft/N800AN), registered now
- Make and model: Boeing 787-8
- Registry model: [Boeing 787-8](https://openairdocs.org/model/boeing-787-8) (OpenAirDocs)
- Aircraft serial: 40618
- Aircraft time: 32,398 hours, 5,024 cycles
- System (JASC): [2780 · Leading Edge Slat Control System](https://openairdocs.org/jasc/2780)
- Part: Pinion Gear
- Part number: UNKNOWN
- Condition: Corroded
- Location: Zone 500 - Lh Wi
- 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/AALA202312123749

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: LEFT HAND WING SLAT NUMBER 5 OUTBOARD PINION GEAR HAS CORROSION. INSTALLED NEW PINION GEAR PER NON-ROUTINE  6338220A.

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