Service difficulty report · Autothrottle Sys · Boeing 737990ER
FAA SDR system
- Difficulty date
- March 21, 2016
- Submitted
- March 23, 2016
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 43255
- Aircraft time
- 9,493 hours, 3,107 cycles
- Part
- Autothrottle Sys
- Condition
- Malfunctioned
- Stage of operation
- CR
- How discovered
- O
- 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
AUTOTHROTTLE DISENGAGED IN FLIGHT. C/B TRIPPED. ACFT GROUNDED. RESET C/B REF AMM 20-60-01. ACCOMPLISHED A/T SYS TEST IAW AMM TASK 22-31-00 AND ALL TEST OPS CHECK GOOD. DFCS LRU TEST FOR DFCS/AT OPS CHECK GOOD, REF AMM 22-11-00. HGS SENSOR TEST FOR FCC/A/T OPS CHECK GOOD, REF AMM 34-36-00.