SDR ARWA9610001

Service difficulty report · Clamp · Doug DC863F

Difficulty date: October 24, 1996
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N661AV
Make and model: Doug DC863F
Aircraft serial: 45969
System (JASC): 2120 · Air Distribution System
Part: Clamp
Part number: C310N620485S2
Condition: Loose
Location: Ac Compt
Component: Nasi · CW0871
Stage of operation: CL
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

WHILE CLIMBING THROUGH FL 28.0, PNEUMATIC DUCT RUPTURED IN FLIGHT. CABIN PRESSURIZATION CLIMBED TO 10,000 FT. AIRCRAFT RETURNED TO LIMA WITHOUT INCIDENT. DURING TROUBLESHOOTING, FOUND RT SIDE COLD AIR DUCT CLAMP DISCONNECTED AT BULKHEAD. RECONNECTED CLAMP, OPS CHECK OK IAW NASI M/M 21-0-0. IMPROPER INSTALLATION.

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