SDR ASAA2015070312308

Service difficulty report · Autothrottle Sys · Boeing 737990ER

Difficulty date: July 3, 2015
Submitted: July 7, 2015
Operation: Air carrier
Aircraft: N419AS
Make and model: Boeing 737990ER
Aircraft serial: 41734
Aircraft time: 8,969 hours, 2,905 cycles
System (JASC): 2230 · Auto Throttle System
Part: Autothrottle Sys
Condition: Malfunctioned
Stage of operation: NR
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

AUTOTHROTTLE WILL NOT ARM. ACFT GROUNDED. ACCOMPLISHED A/T BITE 22-31, TASK 801. FOUND 1 FAULT IN FLT HISTORY 22-31263. PERFORMED FIM 22-31, TASK 810. NO FAULTS FOUND. PERFORMED A/T OPS CK 5X NO FAULTS LOGGED. SYS CKS NORMAL. NO HISTORY IN 30 DAYS.