Service difficulty report · B-Nut · Boeing 757223

Difficulty date
November 27, 2008
Submitted
January 12, 2009
Operation
Air carrier
Aircraft
N199AN
Make and model
Boeing 757223
Aircraft serial
32393
Part
B-Nut
Condition
Loose
Location
Hyd Line
Stage of operation
CR
How discovered
O
Nature of condition
K, J
Precautionary procedure
O

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

What was found

INFLIGHT LEFT HAND HYDRAULIC SYSTEM QUANTITY DROPPED TO .18. LANDED MCO WITHOUT INCIDENT. TIGHTENED LOOSE B-NUT ON LEFT HAND PRESSURE LINE TO ALT SHUTTLE VALVE. SYSTEM GROUND CHECKED NORMAL OPERATION.