SDR AALA201707189013

Service difficulty report · Governor · Boeing 757223

Difficulty date: July 12, 2017
Submitted: July 18, 2017
Operation: Air carrier
Aircraft: N191AN
Make and model: Boeing 757223
Aircraft serial: 32385
Aircraft time: 57,107 hours, 14,040 cycles
Engine: Rroyce RB211535E4B3
System (JASC): 7320 · Fuel Controlling System
Part: Governor
Condition: Faulty
Location: Rt Engine
Stage of operation: CL
How discovered: O
Nature of condition: R, J
Precautionary procedure: O

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

What was found

DURING CLIMB, RIGHT ENGINE THRUST, EPR, N1, EGT, N2, N3 AND FUEL FLOW ALL ROLLED BACK. ENGINE ANTI-ICE WAS NOT TURNED ON. THRUST WAS RECOVERED BY PUSHING UP THRUST LEVER. REMOVED AND REPLACED THE RIGHT ENGINE TRANSIENT PRESSURE SENSOR UNIT, AND FUEL FLOW GOVERNOR IAW MCM CARD 73-94-01. OPERATIONAL CHECKED GOOD. AIRCRAFT WAS GROUNDED.