- Difficulty date
- February 28, 2011
- Submitted
- March 17, 2011
- Operation
- Air carrier
- Make and model
- Boeing 777222
- Aircraft serial
- 26941
- Aircraft time
- 59,651 hours, 10,779 cycles
- Engine
- Pwa PW4077
- Part
- Switch
- Condition
- Faulty
- Location
- Thrust Asym
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOSS OF THRUST ASYMMETRY COMPENSATION (TAC) FUNCTION. STATUS MSG01- LATCHED CLIMB MODE DEPENDENT; THRUST ASYM COMP SWITCH IS INVALID. DB- PRIMARY FLIGHT COMPUTER (LEFT) ITEM CNX PER PLF SHOWS NOT ACTIVE MSG-2710807 LATCHED CL MODE. REPLACED THRUST ASYM COMP SWITCH. MESSAGE CLEARED.