What was found
ON WALK-AROUND FOUND NR 1 IDG AIR/OIL COOLER LEAKING. GROUNDED - YES. REMOVED AND REPLACED #1 IDG AIR/OIL COOLER. LEAK CHECK GOOD REF B737-900 AMM 24-11-21 SEAMC DAVE NOTIFIED.
- Difficulty date
- October 11, 2019
- Submitted
- October 14, 2019
- Operation
- Air carrier
- Aircraft
- N464AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 40714
- Aircraft time
- 21,977 hours, 7,012 cycles
- Engine
- Cfmint CFM567B27E
- System (JASC)
- 7311 · Engine Fuel/Oil Cooler
- Part
- Oil Cooler
- Part number
- UA5385513
- Part serial
- 11441
- Condition
- Leaking
- Location
- Nr 1 Engine
- Part time
- 21,977 hours, 7,012 cycles
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- K, J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.