Service difficulty report · Uplock Sensor · Doug DC983

Difficulty date
July 9, 2015
Submitted
July 15, 2015
Operation
Air carrier
Aircraft
N425NV
Make and model
Doug DC983
Aircraft serial
49438
Part
Uplock Sensor
Condition
Loose
Location
Rt Mlg
Stage of operation
CL
How discovered
O
Nature of condition
N
Precautionary procedure
A

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

What was found

UPON GEAR RETRACTION, RT MAIN GEAR UNSAFE LIGHT STAYED ON WITH GEAR HANDLE IN THE UP POSITION. ALSO THE AUTO SPOILER FAIL WAS ILLUMINATED ON THE OAP. COMPLIED WITH EQRH 32.9 & ALL GEAR LIGHTS RETURNED TO NORMAL, LIGHTS OUT WITH HANDLE UP. ALSO COMPLIED WITH EQRH 27.10 AFTER RESETTING CBS P 33 & X 30 AUTO SPOILER FAIL LIGHT WENT OUT. LOG PAGE 612039, TESTED LT & RT MLG WHEEL BRAKE DE SPIN ACTUATORS IAW AMM 32-42-10. LT & RT READ 400 PSI, DE-SPIN ACTUATORS TESTED GOOD. REQUIRES FURTHER TROUBLESHOOTING. ORIGINAL WRITE-UP REMAINS OPEN. REF LOG PG 612037 TESTED DESPIN ACTUATORS. FOUND RT MAIN GEAR UPLOCK SENSOR LOOSE SECURED & ADJUSTED TO TOLERANCE IAW MM 32-60-05. PERFORMED GEAR SWING IAW MM 32-00-00. OPERATIONS CHECKED GOOD AUTO SPOILER. OPERATIONS CHECKED NORMAL IAW MM 27-60-00.

More about the Doug DC-9-83