What was found
DURING FIRE WARNING TEST, NR 1 TEE HANDLE AND NR 1 ENGINE OVERHEAT LIGHT FAILED TO ILLUMINATE. ACFT GROUNDED. REPLACED CORE HARNESS IAW MM 26-11-02. GROUND VERIFICATION TEST PASSED.
- Difficulty date
- July 9, 2015
- Submitted
- July 13, 2015
- Operation
- Air carrier
- Aircraft
- N535AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35200
- Aircraft time
- 17,714 hours, 5,201 cycles
- System (JASC)
- 2697 · Fire Protection System Wiring
- Part
- Wire Harness
- Part number
- 3250276060
- Condition
- Failed
- Location
- Fire Detection
- 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.