What was found
#1 FIRE TEST HANDLE DOES NOT ILLUMINATE DURING TEST. GROUNDED - YES. T/S FOUND ENG #1 B LOOP HARNESS MW0326 BROKEN OFF AT 12 OCLOCK POSITION. REMOVED & REPLACED MW0326 HARNESS, INSTALLATION TEST GOOD REF B737-900 AMM 26-11-02/401.
- Difficulty date
- February 6, 2021
- Submitted
- February 9, 2021
- Operation
- Air carrier
- Aircraft
- N403AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41730
- Aircraft time
- 31,098 hours, 10,052 cycles
- System (JASC)
- 2697 · Fire Protection System Wiring
- Part
- Wire Harness
- Part number
- CA24402
- Condition
- Broken
- Location
- Nr 1 Fire Loop
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.