# SDR DALA2020010300029

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 31, 2019
- Submitted: January 3, 2020
- Operation: Air carrier
- Aircraft: [N551NW](https://openairdocs.org/aircraft/N551NW), registered now
- Make and model: Boeing 757251
- Aircraft serial: 26498
- Aircraft time: 54,910 hours, 23,646 cycles
- System (JASC): [2751 · Trailing Flap Position Indicating System](https://openairdocs.org/jasc/2751)
- Part: Warning System
- Condition: Activated
- Location: Cockpit
- Stage of operation: IN
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2020010300029

## Discrepancy

(AIRCRAFT 5651, L/P 6573174) WHEN MOVING FLAP LEVER 5-20 DEGREES RECEIVED (TE FLAP DISAGREE) MSG. C/W PROCREEDURE ALTN FLAP SELECTOR MOVED TO 20 DEGREES AND EICAS MSG EXTINGUISHED. CORRECTIVE ACTION: PERFORMED NO-GO ODI PROCEDURE FOR FLAP DISAGREE. FOUND FAULT 307. PERFORMED FIM 27-51 FIG 115 AND FIG 107.

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