# SDR DALA2016051704014

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 5, 2016
- Submitted: May 19, 2016
- Operation: Air carrier
- Aircraft: [N554NW](https://openairdocs.org/aircraft/N554NW), registered now
- Make and model: Boeing 757251
- Aircraft serial: 26501
- Aircraft time: 40,514 hours, 18,462 cycles
- System (JASC): [5753 · Trailing Edge Flaps](https://openairdocs.org/jasc/5753)
- Part: Flap Track
- Condition: Corroded
- Location: Nr 4 Flap
- 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/DALA2016051704014

## Discrepancy

NR 4 FLAP TRACK RUSTED.  AFT END UPPER EDGE WHERE ROLLER RIDES.  REMOVED, O/H  AND INSTALLED NR 4 FLAP TRACK IAW AMM 27-51 AND W/O.

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