# SDR DALA2017073105889

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 30, 2017
- Submitted: August 3, 2017
- Operation: Air carrier
- Aircraft: [N554NW](https://openairdocs.org/aircraft/N554NW), registered now
- Make and model: Boeing 757251
- Aircraft serial: 26501
- Aircraft time: 44,939 hours, 20,021 cycles
- Engine: Pwa PW2037
- System (JASC): [7510 · Engine Anti-Icing System](https://openairdocs.org/jasc/7510)
- Part: Circuit Breaker
- Condition: Failed
- Location: Regulator
- 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/DALA2017073105889

## Discrepancy

LT ENGINE ANTI ICE CIRCUIT BREAKER TRIPPED.  FOUND HIGH STAGE PILOT REGULATOR DAMAGED.  REMOVED AND REPLACED THE HIGH STAGE PILOT IAW AMM 36-11.  REMOVED AND REPLACED THE CIRCUIT BREAKER C-27 IAW BSWPM  CHAPTER 20. HIGH STAGE PILOT REGULATOR CHECKED GOOD IAW AMM 36- 11. ENGINE ANTI-ICE CHECKED GOOD IAW AMM 30-21.

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