SDR ASAA2016062717184

Service difficulty report · Unknown · Boeing 737890

Difficulty date: June 27, 2016
Submitted: June 29, 2016
Operation: Air carrier
Aircraft: N560AS
Make and model: Boeing 737890
Aircraft serial: 35179
Aircraft time: 37,936 hours, 11,461 cycles
System (JASC): 2230 · Auto Throttle System
Part: Unknown
Condition: Malfunctioned
Location: Autothrottle Sys
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

A/T WOULD NOT ENGAGE ON TAKEOFF AND FLIGHT, CLIMB, CRUISE, DESCENT. ACFT GROUNDED. PERFORMED A/T SERVO TEST, REF AMM 22-31-00. INITIALLY THROTTLE 1 FAILED TEST. CYCLED A/T DC-1 C/B. PERFORMED A/T SERVO TEST AGAIN AND A/T SYS OPS TEST MULTIPLE TIMES, REF AMM 22-31-00. OPS NORMAL. NO FAULTS NOTED.