Service difficulty report · Sequence Valve · Dhav DHC8102

Difficulty date
April 17, 2010
Submitted
April 20, 2010
Operation
Air carrier
Aircraft
N940HA
Make and model
Dhav DHC8102
Aircraft serial
5346018
Aircraft time
59,267 hours
Engine
Pwa PW120
Part
Sequence Valve
Condition
Malfunctioned
Location
Lt Mlg Door
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
C

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

What was found

LT GEAR DOOR ADVISORY LIGHT CAME TWICE AND VISUALLY NOTED FWD GEAR DOOR OPEN. R & R RELAY 3261 K-5 OPS CHECKED ON LANDING GEAR DOORS OK. REF-8 MM 32-30-00. LT GEAR DOOR ADVISORY LIGHT REMAINED ILLUMINATED AFTER GEAR RETRACTION AND FWD DOOR REMAINED OPEN. R & R LT GEAR DOOR SEQUENCE VALVE IAW -8 MM 32-10-51, CYCLED GEAR 10 TIMES AND OPS CHECKED GOOD. LT MAIN GEAR ADVISORY LIGHT ILLUMINATED AFTER GEAR RETRACTION, FWD DOOR REMAINED OPEN. CYCLED GEAR AND FWD DOOR CLOSED, BUT AMBER LIGHT REMAINED ILLUMINATED, ( ON APPROACH, LANDING AND TAXI ALL INDICATIONS WHERE NORMAL. R & R PSEU IAW -8 MM 32-61-50. OPS CHECKED GOOD.