Service difficulty report · Connector · Doug DC983

Difficulty date
March 9, 2016
Submitted
March 11, 2016
Operation
Air carrier
Aircraft
N881GA
Make and model
Doug DC983
Aircraft serial
49708
Aircraft time
57,604 hours, 32,582 cycles
Part
Connector
Part number
1173T191
Part serial
12149
Condition
Loose
Location
Ac Bay
Stage of operation
CR
How discovered
O
Nature of condition
O
Precautionary procedure
B, G

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

What was found

NO PAXS IN FLIGHT, FERRY FLIGHT. PACKS SHUT DOWN INFLIGHT, LOST PRESSURIZATION, INITIATED RAPID DECENT. HOWEVER AT 14,000 FT CABIN ALT THE PX O2 MASKS DEPLOYED. LT PACK SHOWS 14 PSI AT CRUISE POWER, EVEN WHEN PACK IS OFF. REF WO 290982 ITEMS 1 & 3 FOR TROUBLESHOOTING OF THE ABOVE DISCREPANCY. ISSUES WERE FOUND WITH THE RT PACK INLET TEMP SENSOR WIRE, BROKEN PLUG FOR THIS SENSOR WAS REPINNED. ISSUES WERE ALSO FOUND WITH RT PACK COMPRESSOR DISCHARGE CONNECTOR BEING LOOSE. REPLACED CONNECTOR IAW SWPM 20-31-00 & PACK COMP DISCHARGE TEMP SENSOR IAW MM 21-31-05. OPERATIONS CHECKED GOOD. A SINGLE PACK CONFIDENCE CHECK WAS PERFORMED REF WO 290982, CONFIDENCE PASSED. ACFT IS OK FOR RTS.

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