Service difficulty report · Motor · Boeing 737890

Difficulty date
March 17, 2011
Submitted
March 22, 2011
Operation
Air carrier
Aircraft
N518AS
Make and model
Boeing 737890
Aircraft serial
35693
Aircraft time
7,828 hours, 2,330 cycles
Part
Motor
Part number
305RAA1
Part serial
AS05162
Condition
Faulty
Location
Autothrottle Sys
Part time
2,087 hours, 650 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

AUTO THROTTLES INOP. ACCOMPLISHED AUTOTHROTTLE CURRENT STATUS TEST, TEST PASSED. AUTOTHROTTLE SERVO TEST, ALSO PASSED. DUE TO HISTORY AND NUMEROUS INFLIGHT FAULTS OF "RATE LIMIT" ASM2. REMOVED AND REPLACED NR 2 ASM PER AMM REF 22 31 91 020 801, OPS CHECKS GOOD.