Service difficulty report · Check Valve · Boeing 737290C

Difficulty date
March 3, 2006
Submitted
March 6, 2006
Operation
Air carrier
Aircraft
N740AS
Make and model
Boeing 737290C
Aircraft serial
22578
Aircraft time
67,054 hours, 59,260 cycles
Part
Check Valve
Part number
BC4314
Condition
Sticking
Location
Nlg
Stage of operation
DE
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

NLG UNSAFE LIGHT AND A SYSTEM LOW PRESSURE. REMOVED AND REPLACED FILTER AND MANIFOILD AND AIR PRESS REG CHECK VLV. JACKED AND RETRACTED NLG, OPS CHK GOOD, SYS OPS CHK NML.