Service difficulty report · Governor · Boeing 757224

Difficulty date
February 15, 2024
Submitted
February 19, 2024
Operation
Air carrier
Aircraft
N57111
Make and model
Boeing 757224
Aircraft serial
27301
Aircraft time
110,023 hours, 23,302 cycles
Engine
Rroyce RB211535E4
Part
Governor
Part number
8062566
Part serial
13621125
Condition
Faulty
Location
Eng#2
Part time
58,810 hours, 16,108 cycles
Stage of operation
CR
How discovered
O
Nature of condition
J, R
Precautionary procedure
A

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

What was found

NUM 2 ENG GAVE PARTIAL POWER AT CRUISE EPR INDICATED 1.3 APROX 3 0 PERC LOSS TPU BITE SHOWED FAULT CODE 20 PCC/GR TEST FAULT. BVCU BITE SHOWED FAULT CODE 06 PCU1 FAULTY. EEC BITE SHOWED NO FAULTS. REF LOG PAGE 7094082, REPLACED #2 ENG FFG, HP FUEL PUMP, & LP FUEL PUMP. ALL REQUIRED POWERPLANT REFERENCE TEST #1,2,9,10,& 11 PASSED IN REF TO AMM TASK 71-00-00-700-804-R03. DUE TO #2 ENGINE DEGRADED PERFORMANCE REPLACE LP PUMP PER AMM 73-11-01, HP PUMP PER 73-11-03 AND FFG PER AMM 73-21-01. TOMC-MEREDITH VERIFIED REPLACEMENT OF O RINGS, SEAL AND CORRECT PART NUMBERS OF LP FUEL PUMP,HP FUEL PUMP AND FFG PER IPC 73-11-01-01, 73-11-03-01, 73-21-01-01 AND GMM 09-10-05. OK TO INSTALL. ROTABLE PARTS CHANGE UPDATE FOR LP FUEL PUMP, HP FUEL PUMP, & FFG. REQUIRES LEAK CHECKS & OPERATIONAL CHECKS. INSPECTED LP FUEL PUMP, HP FUEL PUMP AND FFG FOR CORRECTS ADJUSTMENT(RIG),SECURITY, TRIM ADJUSTMENTS,PROPER SAFETY AND LEAK CHECKS PER AMM