Service difficulty report · Lock Nut · Boeing 727222

Difficulty date
May 31, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N7280U
Make and model
Boeing 727222
Aircraft serial
21558
Engine
Pwa JT8D15
Part
Lock Nut
Part number
372873
Condition
Failed
Location
Nr2 Eng Oil Tank
Stage of operation
DE
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 2 ENGINE OIL QUANTITY ZERO. ENGINE SHUT DOWN. OIL TANK SUPPORT STRAP NUT FAILED. LOCK NUT CAME OFF STRAP. STUD AND TANK DROPPED AWAY FROM THE GEARBOX AND DISPLACED THE OIL TRANSFER TUBES. THIS RESULTED IN LOSS OF OIL.