What was found
FOLLOW-UP TO #1 IDG FREQUENT SERVICING, CHECKED AIR/OIL COOLER FOR LEAKS REF AMM 24-11-21. FOUND AIR/OIL COOLER LEAKING. GROUNDED - YES. REMOVED AND RELACED #1 ENG IDG AIR/OIL COOLER REF AMM 24-11-21, LEAK CHECK GOOD.
- Difficulty date
- July 28, 2019
- Submitted
- July 30, 2019
- Operation
- Air carrier
- Aircraft
- N492AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44110
- Aircraft time
- 14,686 hours, 4,825 cycles
- System (JASC)
- 2421 · AC Generator-Alternator
- Part
- Oil Cooler
- Part number
- UA5385513
- Part serial
- 13328
- Condition
- Leaking
- Location
- Nr 1 Idg
- Part time
- 14,697 hours, 4,831 cycles
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- K
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.