SDR IXXA090060O

Service difficulty report · Connector · Doug DC871F

Difficulty date: October 20, 2009
Submitted: October 21, 2009
Operation: Air carrier
Aircraft: N830BX
Make and model: Doug DC871F
Aircraft serial: 45973
Aircraft time: 82,945 hours, 33,371 cycles
System (JASC): 2197 · Air Conditioning System Wiring
Part: Connector
Condition: Dirty
Location: Rt A/C Pack
Part time: 82,945 hours, 33,371 cycles
Stage of operation: CR
How discovered: O
Nature of condition: J
Precautionary procedure: A

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

What was found

DURING CRUISE, THE RT BLEED VALVE'S DO NOT SHUT OFF INDIVIDUALLY, BUT WHEN THEY ARE SHUT OFF PRESSURE DROP'S TO 10 PSI, MANIFOLD TEMP IS 10 TO 20 DEGREE CELSIUS, RT PACK SEEMS TO BE INOPERATIVE. THE CREW RETURNED TO DEPARTURE WITHOUT FURTHER INCIDENT. MX CLEANED CONNECTOR AT RT PACK. OPS CHECK GOOD IAW MM 21-55-0. ACFT WAS RETURNED TO SERVICE.

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