Service difficulty report · Throttle · Boeing 76733AER

Difficulty date
June 28, 2011
Submitted
June 30, 2011
Operation
Air carrier
Aircraft
N587HA
Make and model
Boeing 76733AER
Aircraft serial
33421
Aircraft time
33,223 hours, 6,226 cycles
System (JASC)
7603 · Power Lever
Part
Throttle
Condition
Out Of Alignment
Stage of operation
CR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

ETOPS SIGNIFICANT SYS - ENGINE THRUST LEVERS MISALIGNED. THRUST LEVERS SPLIT 7/8 KNOBS APART.01. LT THRUST LEVER LAGS WITH LEVERS EQUAL:EPR MATCHED EPR 1.29/1.29 N1 87.5/88.2 EGT 393/400 N2 89/89 FF 4.4/4.4 (N1 OUT OF SINK)FL 380 MACH .801 A/S 254 TAT -44. PERFORMED BITE OF BOTH PIMU'S NO FAULTS NOTED. IAW POWERPLANT ENGINEER, THROTTLE KNOB MATCHING MAY ONLY BE DONE USING EPR WITH AUTO THROTTLES AND AUTOPILOTS OFF. ENGINE TT WILL EFFECT THROTTLE POSITIONS. NR1 ENGINE 33,431:23 HRS. NR2 ENGINE 29,814:01 HRS.

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