Service difficulty report · Governor · Boeing 75728A

Difficulty date
June 16, 2017
Submitted
June 22, 2017
Operation
Air carrier
Aircraft
N928FD
Make and model
Boeing 75728A
Aircraft serial
24369
Aircraft time
95,263 hours, 29,604 cycles
Engine
Rroyce RB211535E4
Part
Governor
Part number
FFG022AC
Part serial
2488707
Condition
Malfunctioned
Location
Rt Engine
Part time
484 hours, 349 cycles
Stage of operation
DE
How discovered
O
Nature of condition
X
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 FAILED AT APPROXIMATELY 7000' MSL DURING DESCENT. INITIALLY NOTED RIGHT GENERATOR OFF, THEN UTILITY BUSSES, AUTOTHROTTLES, AND AUTOPILOT. ENGINE WAS A SLOW SHUTDOWN. RIGHT OIL PRESSURE WAS ZERO. WINDMILLED RIGHT ENGINE FOR 7 - 8 MINUTES. NO VIBRATION OR NOISE WAS NOTED. LANDED UNEVENTFUL. REMOVED THE RT ENGINE FUEL DRAINS, TANK EJECTOR VALVE, FILTER AND INSPECTED. NO DEBRIS NOTED. CLEANED FILTER AND REINSTALLED IAW AMM 71-71-04-2. REMOVED THE RT ENGINE LP FILTER ELEMENT AND INSPECTED. NO DEBRIS NOTED. INSTALLED NEW FILTER ELEMENT IAW MM 73-11-10-4. TROUBLESHOT IAW FIM 71-05 FT 807. REMOVED HP FUEL PUMP VERIFIED SHAFT NOT SHEARED. VERIFIED VOLTAGES AT FFG CONNECTOR. IAW FIM BLOCK 24, REPLACED HP FUEL PUMP IAW MM 73-11-03-4 AND RT ENGINE FUEL FLOW GOVERNOR IAW MM 73-21-01-4. ALL OPS & LEAK CHECKED SATISFACTORY. ACFT OK FOR SERVICE.

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