What was found
NR 1 ENGINE FIRE LOOP B WILL NOT TEST. GROUNDED - YES. NR 1 ENGINE FIRE LOOP B INOP. ACCOMPLISHED FIM 26-10 TASK 801. OPS CHECK NORMAL. UNABLE TO DUPLICATE. MOVED LOOP SELECTOR SWITCH BACK TO NORMAL POSITION. REMOVED MEL.
- Difficulty date
- July 2, 2020
- Submitted
- July 6, 2020
- Operation
- Air carrier
- Aircraft
- N587AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35684
- Aircraft time
- 47,682 hours, 13,861 cycles
- System (JASC)
- 2612 · Fire Detection
- Part
- Unknown
- Condition
- Malfunctioned
- Location
- Fire Detection
- Stage of operation
- TX
- 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.