SDR UPS98526992

Service difficulty report · Sequence Valve · Boeing 75724APF

Difficulty date: June 20, 1998
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N461UP
Make and model: Boeing 75724APF
Aircraft serial: 28265
System (JASC): 3230 · Landing Gear Retraction/Extension System
Part: Sequence Valve
Condition: Failed
Location: Nlg
Stage of operation: TO
Nature of condition: O
Precautionary procedure: K

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

What was found

INSPECTION TYPE-N/A, NOSE GEAR FAILED TO RETRACT. REMOVED AND REPLACED NOSE SEQUENCE VALVE IAW B757 MM32-34-05. CLEANED AND LUBED NOSE GEAR RETRACT LINKAGE AND GEAR BUSHINGS PREFORMED NOSE GEAR RETRACTION TEST PER MM 32-34-00. A 21 SECOND RETRACT TIME, SYSTEM CHECKS OK.

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