Service difficulty report · None · Boeing 7879

Difficulty date
October 22, 2021
Submitted
October 22, 2021
Operation
Air carrier
Aircraft
N19986
Make and model
Boeing 7879
Aircraft serial
66145
Aircraft time
2,499 hours, 284 cycles
Part
None
Part number
NA
Part serial
NA
Condition
None
Location
Na
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

AUTOTHROTTLE DISC CAUTION AUTOMATIC OR MANUAL DISENGAGEMENT OF AUTOTHROTTLE (A/T) SYSTEM. SPECIFIC EXAMPLES ARE FAILURE TO REMOVE POWER FROM THE SERVOS, T HE A/T DISCONNECT SWITCH IS PUSHED, OR BOTH A/T ARM SWITCHES ARE SELCTED OFF. MESSAGE NOT ACTIVE AFTER RESETTING LEFT CCS REF LP 7280705. FAULT CORRECTED PER FIM DMC-787-A-22-30-F0-05A-421A-A AND FIM DMC-787-A22-30-F0-06A-421A-A. ALSO PERFORMED THRUST MANAGEMENT SYSTEM SYSTEM TEST PER AMM 22-31-00. TESTS PASS. NO CURRENT MESSAGES ACTIVE.

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