# SDR TRBA2011110531101

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 5, 2011
- Submitted: November 7, 2011
- Operation: Air carrier
- Aircraft: N498AT
- Make and model: Aerosp ATR 72-212A
- Registry model: [Aerosp ATR 72-212A](https://openairdocs.org/model/aerospatiale-atr-72-212a) (OpenAirDocs)
- Aircraft serial: 498
- Aircraft time: 23,518 hours, 28,282 cycles
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Flap System
- Condition: Malfunctioned
- 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/TRBA2011110531101

## Discrepancy

DURING APP WHEN SELECTING FLAPS TO 30, FLAP UNLOCK LIGHT CAME ON .  VERIFIED FLAPS AND DID NOT LOCK AT 30 DEGREES.  FLAPS REMAINED BETWEEN 15 AND 30 DEGREES.  FOLLOWED PROCEDURES IAW AOM 1 AND PERFORMED A FLAP 0 LANDING.  PERFORMED OPS CHECK ON FLAP CONTROL SYS.  SYS CHECKS GOOD IAW AMM 27-50-01.

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