- Difficulty date
- August 14, 2023
- Submitted
- August 18, 2023
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44107
- Aircraft time
- 29,364 hours, 9,211 cycles
- Part
- Unknown
- Part number
- UNKNOWN
- Condition
- Unknown
- Location
- Unknown
- Stage of operation
- NR
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FIRE LOOP B FAULT INDICATED ON #1 ENGINE. GROUNDED - YES. ON DEFERRAL.