What was found
NR 1 OVERHEAT TEST SYSTEM, FAULT IN B LOOP. ACFT GROUNDED. DUPLICATED DEFECT. FOUND NR 1 ENGINE LT CORE UPPER TERMINAL END BROKEN. REPLACED NR 1 ENGINE LT CORE MW0326 B LOOP FIRE DETECTOR HARNESS, REF MM:26-11-02, OPS CK NORMAL.
- Difficulty date
- May 30, 2015
- Submitted
- June 2, 2015
- Operation
- Air carrier
- Aircraft
- N440AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41705
- Aircraft time
- 6,197 hours, 2,025 cycles
- System (JASC)
- 2697 · Fire Protection System Wiring
- Part
- Wire Harness
- Part number
- 3250276060
- Condition
- Broken
- Location
- Nr 1 Engine
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.