Service difficulty report · Autothrottle Sys · Boeing 777223

Difficulty date
December 5, 2019
Submitted
December 6, 2019
Operation
Air carrier
Aircraft
N768AA
Make and model
Boeing 777223
Aircraft serial
33540
Aircraft time
54,500 hours, 6,496 cycles
Part
Autothrottle Sys
Condition
Disconnected
Stage of operation
CR
How discovered
O
Nature of condition
S
Precautionary procedure
O

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

What was found

AIRCRAFT NOT GROUNDED: PILOT REPORTS AUTOTHROTTLES UNCOMMANDED DISCONNECT APPROXIMATELY 6 TIMES DURING CRUISE, THEY RECONNECTED EACH TIME. MAINTENANCE REPORTS MAT SHOWS MM: 22-23013.22-23014. 22-29104. 22-29132. 22-29134. FIM 22-31 TASK 920.(22-23013)., FIM 22-31 TASK 921.(22-23014). FIM 22-31 TASK 932(22-29104). FIM 22-31 TASK 938(22-29132). FIM 22-31 TASK 938(22-29134)., ALL FIMS C/O SATISFACTORY, MM NOT ACTIVE.