Service difficulty report · Line · Lear 45LEAR

Difficulty date
December 26, 2018
Submitted
January 15, 2019
Operation
Air carrier
Aircraft
N471FX
Make and model
Lear 45LEAR
Aircraft serial
45500
Aircraft time
2,836 hours, 2,142 cycles
Engine
Garrtt TFE731*
Part
Line
Condition
Damaged
Location
Oil Supply
Stage of operation
DE
How discovered
O
Nature of condition
K, J
Precautionary procedure
E, H, A

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

What was found

#1 ENGINE OIL PRESSURE FLUCTUATIONS AT FL350. PRESSURE DROPPED AND ILLUMINATED OIL MASTER WARNING WHILE PASSING THROUGH FL200. CREW DECLARED AND EMER AND SHUT DOWN ENGINE PER CHECKLIST. AIRCRAFT LANDED SAFELY.REPLACED #6 BEARING OIL SUPPLY LINE AND #6 BEARING OIL SCAVENGE LINE (WAS CHAFED BEYOND LIMITS). SERVICED OIL. OPS AND LEAKS CHECKS. NO DEFECTS NOTED.