What was found
#2 FIRE SWITCH FAIL TEST. GROUNDED - YES. VERIFIED FAULT #2 ENG FIRE B LOOP FAULTED. FOUND TERMINAL BROKEN ON MW0326 HARNESS. REMOVED AND REPLACED MW0326 HARNESS. OPS TEST GOOD. REF B737-900 AMM 26-11-02.
- Difficulty date
- December 23, 2018
- Submitted
- December 27, 2018
- Operation
- Air carrier
- Aircraft
- N469AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41702
- Aircraft time
- 17,491 hours, 5,811 cycles
- System (JASC)
- 2697 · Fire Protection System Wiring
- Part
- Terminal
- Condition
- Broken
- Location
- Wire Harness
- Stage of operation
- TX
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.