# SDR DALA2016011100169

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 8, 2016
- Submitted: January 11, 2016
- Operation: Air carrier
- Aircraft: [N549US](https://openairdocs.org/aircraft/N549US), registered now
- Make and model: Boeing 757251
- Aircraft serial: 26496
- Aircraft time: 59,092 hours, 22,878 cycles
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Yoke
- Condition: Corroded
- Location: Flap Drive
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2016011100169

## Discrepancy

LEFT WING NR 3 FLAP DRIVE UNIVERSAL AFT YOKE HAS CORROSION/RUST INSIDE YOKE BORE. REPLACED YOKE, REF: AMM 27-51-11.

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