Service difficulty report · Proximity Sensor · Bombdr DHC8402

Difficulty date
June 28, 2017
Submitted
June 28, 2017
Operation
Air carrier
Aircraft
N421QX
Make and model
Bombdr DHC8402
Aircraft serial
4149
Aircraft time
25,534 hours, 27,062 cycles
Part
Proximity Sensor
Condition
Out Of Adjust
Location
Aft Cargo Door
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

ON CLIMB OUT AT AROUND 14,000 FT, RECEIVED A FUSELAGE DOORS WARNING. THE WARNING WAS INTERMITTENT UP TO FL 210. CONDUCTED PROCEDURE IAW E&A CHECKLIST. THE DOOR WAS IDENTIFIED AS AFT CARGO DOOR. THE WARNING BECAME INTERMITTENT FROM FL 210 TO 6000 FT DURING DESCENT. REMOVED FROM SERVICE. RIGGED THE PROXIMITY SENSOR TO 8.77 MILLIHENRYS IAW AMM TASK 52-71-01-830-806 AND 32-61-00-280-801. COMPLIED WITH OPERATIONAL TEST OF THE CLOSED SENSOR IAW TASK 31-62-00-710-801. CHECKED GOOD, NO FURTHER DEFECTS NOTED. RETURNED TO SERVICE.