- Difficulty date
- November 11, 2019
- Submitted
- November 13, 2019
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 43293
- Aircraft time
- 23,478 hours, 7,614 cycles
- Engine
- Cfmint CFM567B27E
- Part
- Cooler
- Part number
- UA5385513
- Part serial
- 11479
- Condition
- Leaking
- Location
- Nr 2 Oil/Air
- Part time
- 20,653 hours, 6,847 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.
What was found
FOLLOW-UP TO #2 IDG FREQUENT SERVICING. GROUNDED - YES. ACCOMPLISHED STEPS 1-3 AND FOUND #2 IDG AIR/OIL COOLER LEAKING, REMOVED AND REPLACED #2 IDG AIR/OIL COOLER PER B737-900 AMM 24-11-21 LEAK CHECKS GOOD,NO OTHER DEFECTS NOTED-ETOPS SIGNIFICANT SYSTEM, GROUND VERIFICATION SUCCESSFUL.