SDR UPS96521095

Service difficulty report · Sequence Vlv · Boeing 75724APF

Difficulty date: September 11, 1996
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N455UP
Make and model: Boeing 75724APF
Aircraft serial: 25476
System (JASC): 3230 · Landing Gear Retraction/Extension System
Part: Sequence Vlv
Part number: 26702889
Condition: Defective
Location: Nlg
Stage of operation: AP
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

INSPECTION TYPE N/A, ON APPROACH NOSE GEAR FAILED TO EXTEND AND GEAR DISAGREE MSG DISPLAYED, ALT GEAR EXTEND SELECTED AND GEAR DEPLOYED. FERRIED A/C TO SDF. REMOVED AND REPLACED NOSE GEAR DOOR SEQUENCE VALVE PER MM 32-34-05. PERFORMED TEST OF NOSE GEAR EXTENSION AND RETRACTION, SYSTEM OPS CHECKS GOOD.

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