Service difficulty report · Oil Cooler · Boeing 7373H4

Difficulty date
October 9, 2016
Submitted
October 11, 2016
Operation
Air carrier
Aircraft
N647SW
Make and model
Boeing 7373H4
Aircraft serial
27717
Aircraft time
60,641 hours, 47,315 cycles
Part
Oil Cooler
Part number
UA5385512
Part serial
1007R
Condition
Leaking
Location
Nr 2 Csd
Stage of operation
CR
How discovered
O
Nature of condition
K, J
Precautionary procedure
A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DURING FLIGHT, NR 2 GENERATOR LOW PRESSURE LIGHT BEGAN FLICKERING CONTINUOUSLY. NR 2 GENERATOR BUSS LIGHT ILLUMINATED. DID NOT RESET. APU STARTED AND PUT ON NR 2 BUSS. LOW PRESSURE LIGHT ILLUMINATES STEADY. NR 2 GENERATOR FREQUENTLY ERRATIC 385-400. DISCONNECTED CSD. FOUND NR 2 ENGINE CSD OIL COOLER LEAKING OIL. REPLACED THE NR 2 ENGINE CSD OIL COOLER IAW AMM 24-11-21.

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