What was found
NR 1 ENG IDG AIR/OIL HEAT EXCHANGER LEAKING. GROUNDED - YES. REPLACED THE NR 1 IDG OIL COOLER, LEAK CHECK GOOD, REF B737-900 AMM 24-11-21/401.
- Difficulty date
- September 11, 2020
- Submitted
- September 15, 2020
- Operation
- Air carrier
- Aircraft
- N453AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36354
- Aircraft time
- 25,670 hours, 8,169 cycles
- System (JASC)
- 2421 · AC Generator-Alternator
- Part
- Oil Cooler
- Part number
- UA5385513
- Part serial
- 11049
- Condition
- Leaking
- Location
- Nr 1 Engine
- Part time
- 25,668 hours, 8,168 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.