# SDR CA190705003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 4, 2019
- Submitted: August 17, 2020
- Operation: General aviation
- Make and model: Bombdr DHC8400
- System (JASC): [2752 · Trailing Edge Flap Actuator](https://openairdocs.org/jasc/2752)
- Part: Actuator
- Part number: C1486591
- Condition: Worn
- Location: Te Flaps
- Part time: 37,192 hours
- Stage of operation: AP
- How discovered: O
- Nature of condition: F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA190705003

## Discrepancy

(CAN) `FLAP DRIVE` CAUTION LIGHT DURING APPROACH, FLAPS STALLED AT AROUND 7. RESET OF L7 `FLAP CONTROL` PERFORMED BY CREW. NO MORE FLAP MOVEMENT WAS POSSIBLE (0 AND 15 TESTED BY CREW). LANDING UNEVENTFUL. FOUND RH FLAP ACTUATOR #1 SPINDLE THREAD WORN (FRETTING) AND ACTUATOR AFTER REMOVAL NOT POSSIBLE TO TURN BY HAND. (TC# 20190705003)

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