SDR QXEA200400073

Service difficulty report · Controller · Bombdr DHC8401

Difficulty date: January 25, 2004
Submitted: January 28, 2004
Operation: Air carrier
Aircraft: N415QX
Make and model: Bombdr DHC8401
Aircraft serial: 4081
Aircraft time: 97 hours, 89 cycles
System (JASC): 2131 · Cabin Pressure Controller
Part: Controller
Condition: Maladjustment
Location: Cabin Pressure
Stage of operation: CL
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

AFTER TAKE-OFF, CLIMBING THROUGH 3600 FEET, THE CREW FELT A PRESSURIZATION BUMP AND LOST ALL PRESSURIZATION. FLIGHT ATTENDANT (B) HEARD A BANGING NOISE FROM AFT CARGO AREA. MAINTENANCE INSPECTED THE ACM AND RE-CIRC FAN DUCTING AND CLAMPS. NO DISCREPANCIES WERE NOTED BY SIGHT OR FEEL WITH APU BLEED AIR TURNED ON. NO FAULTS WERE NOTED IN CDS AND ALL OPERATIONAL CHECKS WERE GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.