Service difficulty report · Governor · Boeing 757224

Difficulty date
September 21, 2024
Submitted
September 24, 2024
Operation
Air carrier
Aircraft
N57111
Make and model
Boeing 757224
Aircraft serial
27301
Aircraft time
111,785 hours, 23,662 cycles
Engine
Rroyce RB211535E4B3
Part
Governor
Part number
8062558
Part serial
13113146
Condition
Faulty
Location
Eng Fuel Flow
Part time
57,365 hours, 17,297 cycles
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

RIGHT ENGINE EGT EXCEEDANCE ON CLIMB, CREW REPORTED POWER REQUIRED REDUCTION TO LIMIT EGT. CHECK INLET AND EXHAUST AND CHECK EXCEEDANCE PER FIM 71-05 TASK 824 AND FIM 71-05 TASK 819. EICAS ENGINE EXCEEDANCE REPORT VERIFIED RIGHT ENGINE EGT REACHED A MAX TEMP OF 883 FOR 1.8 SECONDS REF FIM 71-05 FAULT TREE 824 FIGURE 121NO ACTION REQUIRED. SEE LOGPAGE 9323021 FOR RIGHT ENGINE FFG REPLACEMENT AND DEFECT RECTIFICATION.ACCOMPLISH IDT INSPECTION OF RIGHT ENGINE FUEL FLOW GOVERNER REPLACEMENT INCLUDING, LOCKING, CORRECT PARTS, RIGGING AND TRIM. AS PER AMM 73-21-01-404-013-R04 AND GMM 09-10-05. DURING FFG REPLACEMENT PER AMM 73-21-01-404-013-R04, STEP K. EPR P1 SYSTEM TEST WAS SKIPPED REFERENCE EC/RA 7711-01049. ALL P1 SYSTEM B NUTS VERIFIED TO BE SECURE PER AMM SPECIFICATIONS. GOVERNOR, FUEL OFF 53-7321-9-0001 3146 ON 0000 GOVERNOR, FUEL OFF 53-7321-9-0001 3146 ON 53-7321-9-0001 4892 RIGHT ENGINE FUEL FLOW GOVERNER REMOVED AND REPLACED AS PER AMM 73-21-01-404-013-R04. HIGH POWER ENGINE RUNS CARRIED OUT. ALL PERAMETERS NOW NORMAL AND ENGINE FOLLOWS THRUST LEVER INPUTS. PARTS USED: 99-7311-3-0006,QTY :1 99-7311-3-0008,QTY :1 53-7321-9-0001,QTY :1 19-7261-3-0019,QTY :1 19-7311-3-0054,QTY :1 99-7311-3-0004,QTY :1 19-7261-3-0010,QTY :1 1561368,QTY :1 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1561368 SN OFF 3146