SDR MWEA95538

Service difficulty report · Clamp · Doug DC915

Difficulty date: December 25, 1995
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N300ME
Make and model: Doug DC915
Aircraft serial: 45718
System (JASC): 2150 · Cabin Cooling System
Part: Clamp
Condition: Failed
Location: Lt Pack
Stage of operation: CR
Nature of condition: J
Precautionary procedure: B, G

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

What was found

PILOT REPORTS, DURING CRUISE AT 33,000 FT CABIN PRESSURE LIGHT ILLUMINATED. CABIN ALTITUDE REACHED 10,500 FT, DESCENDED TO 19,500 FT, CABIN ALTITUDE DESCENDED TO 9,000 FT AND ALL OXYGEN MASKS DEPLOYED. FOUND LEFT PACK DUCT OFF DUE TO FAULTY CLAMP. REPLACED CLAMP AND STOWED O2 MASKS.

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