Service difficulty report · Governor · Boeing 75733N

Difficulty date
January 6, 2026
Submitted
January 9, 2026
Operation
Air carrier
Aircraft
N77871
Make and model
Boeing 75733N
Aircraft serial
33526
Aircraft time
61,021 hours, 17,818 cycles
Engine
Rroyce RB211535E4
Part
Governor
Part number
8062551
Part serial
2488770
Condition
Faulted
Location
Nr 2 Engine
Part time
45,152 hours, 6,640 cycles
Stage of operation
TO
How discovered
O
Nature of condition
O
Precautionary procedure
C

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

What was found

RIGHT ENGINE WOULD NOT GO TO TAKEOFF THRUST WITH AUTO THROTTLE ENGAGED, REMOVED NR 2 ENGINE (PHASE 2) FUEL FLOW GOVERNOR MFG PART NR 8062-551 IAW AMM 73-21-01-004-001-R04. PREPPING INSTALLATION OF NEW FFG WITH SAME MFG PART NR 8062-551 REF IPC 73-21-01-01. QC VERIFIED FFG MFG PART NR TO BE INSTALLED IS IAW IPC 73-21-01-01. INTERFACE O-RINGS IN PLACE PRIOR TO FFG INSTALL. REF GMM 09-10-05. ACCOMPLISHED NR 2 ENGINE FUEL FLOW GOVERNOR INSTALLATION UP TO SUBTASK 3.(G) (11) IAW TASK 73-21-01-404-013-R04, CONTINUE FROM 3.(H). INSTALLED AND OPS CHECKED FFG CONTOL BOX. IAW AMM 73-21-01-404-013-R04. INSPECTION-PERFORMED IDT FOR SECURITY AND SAFETY AND RIG ONLY CORRECTION. COMPLETED STEPS 3H TO STEP 3I STARTED E2 FFG INSTALLATION TEST IAW POWER PLANT TEST, TASK 71-00-00-700-804-R03. ACCOMPLISHED TEST 1, 2 & 10 PER TEST TABLE. TESTS PASSED. STILL NEED TEST 9, 11 AND EPR TEST PER FUEL FLOW GOVERNOR INSTALLATION REFERENCE TASK 73-21-01-404-013-R04. ACCOMPLISHED TEST 9 & 11 PER POWER PLANT TEST EPR TEST OK IAW AMM 77-11-00-735-019-R00. THIS COMPLETES REQUIRED TESTS.

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