Service difficulty report · Circuit Breaker · Boeing 757251

Difficulty date
July 30, 2017
Submitted
August 3, 2017
Operation
Air carrier
Aircraft
N554NW
Make and model
Boeing 757251
Aircraft serial
26501
Aircraft time
44,939 hours, 20,021 cycles
Engine
Pwa PW2037
Part
Circuit Breaker
Condition
Failed
Location
Regulator
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

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.