Service difficulty report · Controller · Boeing 737322

Difficulty date
March 16, 2007
Submitted
March 27, 2007
Operation
Air carrier
Aircraft
N302UA
Make and model
Boeing 737322
Aircraft serial
23643
Aircraft time
57,874 hours, 34,190 cycles
Engine
Cfmint CFM563C1
Engine time
50,660 hours, 32,412 cycles
System (JASC)
7603 · Power Lever
Part
Controller
Condition
Malfunctioned
Location
Nr 2 Engine
Stage of operation
DE
How discovered
O
Nature of condition
O
Precautionary procedure
E

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

What was found

ENG 2 THROTTLE STUCK. ENG 2 N1 WILL NOT GO BELOW 75 PERCENT N1 AND 3000 FF WITH THRUST LEVER AT IDLE. [SUP 05-29-07] FAULTY MAIN ENGINE CONTROLLER. REPLACED THE MAIN ENGINE CONTROLLER. UNIT FAILED BENCH TEST. FOUND FAILED CDP. UNIT REQUIRES OVERAHAUL.