What was found
#1 ENG FILTER BYPASS LIGHT ON DEPARTURE. GROUNDED - YES. REMOVED AND REPLACED #1 ENG MAIN FUEL/OIL HEAT EXCHANGER DIFFERENTIAL PRESS SWITCH. REF B737-9 AMM 73-11-12-000-801-G00/-400-801-G00.
- Difficulty date
- July 13, 2022
- Submitted
- July 15, 2022
- Operation
- Air carrier
- Aircraft
- N977AK
- Make and model
- Boeing 7379
- Aircraft serial
- 43391
- Aircraft time
- 67 hours, 36 cycles
- Engine
- Cfmint LEAP1B28
- System (JASC)
- 7310 · Engine Fuel Distribution
- Part
- Pressure Switch
- Part number
- 2492M60P02
- Part serial
- KUL29576
- Condition
- Faulty
- Location
- #1 Engine
- Part time
- 67 hours, 36 cycles
- Stage of operation
- TO
- 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.