Service difficulty report · Cooler · Boeing 737990ER

Difficulty date
May 16, 2022
Submitted
May 17, 2022
Operation
Air carrier
Aircraft
N433AS
Make and model
Boeing 737990ER
Aircraft serial
41704
Aircraft time
31,999 hours, 10,138 cycles
Part
Cooler
Part number
UA5385513
Part serial
10790
Condition
Leaking
Location
#2 Engine
Part time
31,999 hours, 10,138 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.

What was found

#2 ENG IDG AIR/OIL COOLER SHOWS SIGN OF LEAKING. GROUNDED - YES. REMOVED AND REPLACED #2 ENG IDG AIR/OIL COOLER IAW B737-900 AMM 24-11-21 LEAK CHECK GOOD.