Service difficulty report · Dfgs · Boeing 737890

Difficulty date
March 25, 2022
Submitted
March 30, 2022
Operation
Air carrier
Aircraft
N584AS
Make and model
Boeing 737890
Aircraft serial
35682
Aircraft time
52,967 hours, 15,673 cycles
Engine
Ge CFM567B24
Part
Dfgs
Part number
8221567102
Part serial
40LDKD
Condition
Faulty
Location
Flight Compartme
Part time
26,064 hours, 8,048 cycles
Stage of operation
NR
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

AUTOTHROTTLE WILL NOT ENGAGE. GROUNDED - YES. UNABLE TO DUP./VERIFY DISCREP. W/ A/T TESTS. NO FAULTS LOGGED LAST 3 FLTS, FLTS 4-13 SHOW NUMEROUS FOUND FAULTS. REMOVED/REPLACED MCP PRECAUTIONARY REF. B737-800 AMM 22-11-34. MCP OPS NML REF. SAME AMM. A/T OPS NML REF AMM 22-31-00 OPERATIONAL TEST AND THROTTLE SERVO TESTS.