# SDR AALA202403185963

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 18, 2024
- Submitted: March 18, 2024
- Operation: Air carrier
- Aircraft: [N991AN](https://openairdocs.org/aircraft/N991AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 30920
- Aircraft time: 43,849 hours, 18,340 cycles
- System (JASC): [2751 · Trailing Flap Position Indicating System](https://openairdocs.org/jasc/2751)
- Part: Indicator
- Part number: UNKNOWN
- Condition: Failed
- Location: Zone 200
- Stage of operation: AP
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202403185963

## Discrepancy

AIRCRAFT WAS GROUNDED: ON APPROACH TO CLT, FLAPS FAILED AT APPROX 4 DEGREES.  THERE WAS A 1 DEGREE OR LESS SPLIT BETWEEN FLAPS. LANDING WAS UNEVENTFUL. RETRACTED FLAPS AFTER ARRIVING AT GATE.  STILL ABOUT A 0.25 DEGREE SPLIT BETWEEN INDICATORS. LEFT FLAP INDICATOR NOT INTO THE UP BAND. REPLACED FLAP POSITION INDICATOR PER AMM 27-58-02.

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