Service difficulty report · Resolver · Boeing 737990ER

Difficulty date
June 28, 2019
Submitted
July 3, 2019
Operation
Air carrier
Aircraft
N442AS
Make and model
Boeing 737990ER
Aircraft serial
43293
Aircraft time
22,103 hours, 7,221 cycles
System (JASC)
7603 · Power Lever
Part
Resolver
Part number
CU09644007
Part serial
4305
Condition
Out Of Adjust
Location
Thrust Lever
Part time
22,103 hours, 7,221 cycles
Stage of operation
TO
How discovered
O
Nature of condition
O
Precautionary procedure
K

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

What was found

THROTTLES MISMATCHED BY HALF A KNOB WIDTH AT T/O AND CLIMB POWER (#1 AHEAD OF #2). MATCHED UP NORMALLY AT CRUISE POWER. GROUNDED - YES. REMOVED RT THRUST LEVER ANGLE RESOLVER IAW AMM 76-11-05-801-F00. INSTALLED RT TLAR AND AUTOTHROTTLE BRAKE ASSEMBLY PER AMM 76-11-05-801-F00, INSTALLATION TEST GOOD FOR AUTOTHROTTLE SERVO MOTOR AND GEARBOX PER AMM 22-31-91-400-801.