SDR ABXA050217

Service difficulty report · Control System · Doug DC941

Difficulty date: September 9, 2005
Submitted: September 12, 2005
Operation: Air carrier
Aircraft: N969AX
Make and model: Doug DC941
Aircraft serial: 47464
Aircraft time: 59,378 hours, 55,953 cycles
System (JASC): 2130 · Cabin Pressure Control System
Part: Control System
Condition: Failed
Location: Cabin Pressure
Stage of operation: DE
How discovered: O
Nature of condition: J
Precautionary procedure: G

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

What was found

RAPID DECOMPRESSION AT TOP OF DESCENT WHEN POWER LEVERS RETARDED. UNRECOVERABLE IN MANUAL, POWER LEVELED AT IDLE, OXYGEN USED. PERFORMED PAR 3, DC-9 MM 21-31-09-2, ADJUST/TEST SINGLE ENGINE SECOND SEGMENT CLIMB SWITCHES. OPS CHECKED GOOD.

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