SDR 2004F00342

Service difficulty report · Governor · Boeing 757236

Difficulty date
December 30, 2003
Submitted
September 14, 2004
Operation
Air carrier
Aircraft
N521NA
Make and model
Boeing 757236
Aircraft serial
25592
Engine
Rroyce RB211535E4
Part
Governor
Part number
FFG021BH
Condition
Failed
Location
Rt Fuel Flow
Stage of operation
CR
How discovered
9
Nature of condition
O
Precautionary procedure
H

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

What was found

AT FLIGHT LEVEL 350, JFK-POS - RIGHT ENGINE ROLLED BACK. ALL PARAMETERS EXCEPT EPR, WHICH WENT HIGH AND EVENTUALLY DISAPPEARED. PRESSURE TESTED P1 PROBE LINES, ACCOMPLISHED WIRING CONTINUITY CHECKS ON RIGHT ENGINE EEC TO EPR TRANSMITTER. ALL CHECKED GOOD. AIRCRAFT FERRIED POS TO MIA FOR FURTHER TROUBLESHOOTING ON 12/31/03. TROUBLESHOOTING CONTINUED. REMOVED AND REPLACED RIGHT EPR TRANSMITTER IAW BMM 71-00. GROUND RUN CHECKED GOOD. PERFORMED ACCEL/DECEL CHECK ON RIGHT ENGINE. NO DISCREPANCY NOTED. JFK - REPLACED RIGHT ENGINE FUEL FLOW GOVERNOR. REMOVED AND REPLACED RIGHT FFG IAW BMM 73-21-01. (M) P9RA