What was found
# 1 FIRE DETECTION B LOOP INOP. GROUNDED - YES. CYCLED A/C POWER THEN PERFORMED ENGINE/APU FIRE DETECTION CONTROL MODULE BITE WITH NO FAULTS FOUND. GROUND VERIFICATION SUCCESSFUL REF B737-900 FIM 26-10 TASK 801.
- Difficulty date
- March 14, 2020
- Submitted
- March 17, 2020
- Operation
- Air carrier
- Aircraft
- N409AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41733
- Aircraft time
- 28,409 hours, 9,184 cycles
- System (JASC)
- 2612 · Fire Detection
- Part
- Warning System
- Condition
- False Activation
- Location
- Cockpit
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.