What was found
FOUND IDG AIR/OIL COOLER LEAKING ON #1 ENGINE. GROUNDED - YES. REMOVED AND REPLACED IDG AIR/OIL COOLER ON #1 ENGINE PER B737-900 AMM 24-11-21. IDG AIR/OIL COOLER INSTALLATION TEST COMPLETED, LEAK CHECK GOOD.
- Difficulty date
- November 21, 2022
- Submitted
- November 23, 2022
- Operation
- Air carrier
- Aircraft
- N486AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44107
- Aircraft time
- 26,611 hours, 8,377 cycles
- System (JASC)
- 2421 · AC Generator-Alternator
- Part
- Oil Cooler
- Part number
- UA5385513
- Part serial
- 13071
- Condition
- Leaking
- Location
- Nr 1 Idg
- Part time
- 26,607 hours, 8,375 cycles
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- K
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.