What was found
(AUS) NR 4 ENGINE FUEL FLOW REGULATOR (FFR) FAULTY. INVESTIGATION FOUND THE CAUSE TO BE FAILURE OF THE VMO QUILLSHAFT CUP WASHER DUE TO HIGH CYCLE FATIGUE.
- Difficulty date
- February 10, 2001
- Submitted
- December 4, 2001
- Operation
- General aviation
- Make and model
- Boeing 747338
- Engine
- Rroyce RB211524D419
- System (JASC)
- 7321 · Fuel Control/Turbine Engines
- Part
- Regulator
- Part number
- 105MK2S
- Condition
- Faulty
- Location
- Nr 4 Fuel Flow
- Part time
- 9,348 cycles
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.