# SDR AALA202601220719

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 30, 2025
- Submitted: January 22, 2026
- Operation: Air carrier
- Aircraft: [N867NN](https://openairdocs.org/aircraft/N867NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 40762
- Aircraft time: 43,351 hours, 18,555 cycles
- System (JASC): [5520 · Elevator Structure](https://openairdocs.org/jasc/5520)
- Part: Spring
- Condition: Corroded
- Location: Zone 300
- 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/AALA202601220719

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: RIGHT HAND ELEVATOR TAB CONTROL MECHANISM SPRINGS FORWARD ATTACHMENT SLEEVES SHOW SIGNS OF CORROSION. REMOVED AND REPLACED RIGHT HAND ELEVATOR TAB CONTROL MECHANISM SPRING FORWARD ATTACHMENT SLEEVES, PER B737NG AMM 27-31-34. ACCOMPLISHED SATISFACTORY ELEVATOR AND ELEVATOR TRIM CONTROL SYSTEM OPERATIONAL TEST AND SATISFACTORY ELEVATOR TAB CONTROL SYSTEM OPERATIONAL TEST. PER B737NG AMM 27-31-00.

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