Service difficulty report · Oil Cooler · Nihon YS11A500

Difficulty date
August 1, 1995
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N911AX
Make and model
Nihon YS11A500
Aircraft serial
2051
Engine
Rroyce DART54210K
Part
Oil Cooler
Part number
RU20447A
Condition
Cracked
Location
Nr 1 Engine
Part time
752 hours
Component
Rroyce · 54210K
Stage of operation
CR
Nature of condition
K, J
Precautionary procedure
E

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

What was found

NR 1 ENGINE INFLIGHT SHUTDOWN DUE TO LOW OIL PRESSURE, 6 TO 10 PSI. MAINTENANCE FOUND THE NR 1 OIL COOLER LEAKING, CRACKED. REPLACED OIL COOLER IAW ROLLS ROYCE MM 79-20-1. REPLACED NR 1 ENGINE IAW ABX WORK CARD 7202. OPS AND LEAK CHECKED GOOD.

More about the Nihon YS-11A-500