Service difficulty report · Engine · Boeing 757236

Difficulty date
August 28, 2004
Submitted
September 1, 2004
Operation
Air carrier
Aircraft
N521NA
Make and model
Boeing 757236
Aircraft serial
25592
Aircraft time
39,783 hours, 12,630 cycles
Engine
Rroyce RB211535E4
Part
Engine
Condition
Malfunctioned
Location
Right
Stage of operation
CR
How discovered
O
Nature of condition
R, J
Precautionary procedure
O

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

What was found

AT FLIGHT LEVEL 360, POS-JFK, RIGHT ENGINE DECREASED TO PARTIAL THRUST WITH EPR INDICATING NORMAL CRUISE POWER, 1.6EPR. ALL OTHER INDICATIONS SHOWED PARTIAL THRUST. INITIATED ENGINE ANTI-ICE AND IGNITERS TO CONTINUOUS. CYCLED ENGINE LIMITER. NORMAL THRUST RETURNED AFTER 1 MINUTE. EEC BITE PRODUCED FAULT CODE 47. CHECKED P1 CONNECTIONS, NO LEAKS FOUND. CHECKED WIRING BETWEEN EPR TRANSMITTER AND EEC. CONTINUITY CHECKED GOOD. WORK PERFORMED IAW FIM 732100. ACCOMPLISHED ACCELERATION DECELERATION TEST. ENGINE TIME WITHIN LIMITS AND FREE OF SURGE PER MM 710000.