SDR QXEA200400195

Service difficulty report · Unknown · Bombdr DHC8401

Difficulty date: March 5, 2004
Submitted: March 8, 2004
Operation: Air carrier
Aircraft: N406QX
Make and model: Bombdr DHC8401
Aircraft serial: 4048
Aircraft time: 6,139 hours, 6,935 cycles
System (JASC): 2130 · Cabin Pressure Control System
Part: Unknown
Condition: Unknown
Stage of operation: DE
How discovered: O
Nature of condition: O
Precautionary procedure: O

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

What was found

SEA - FLIGHT 2329 - ON DESCENT AND AT 5000 FT, RAPID DEPRESSURIZATION OCCURRED. THE DIFFERENTIAL WENT TO ZERO AND MANUAL MODE/OPERATION MADE NO DIFFERENCE. MAINTENANCE INSPECTED THE AIRCRAFT. NO FAULT CODES WERE SHOWN IN THE CDS. FOUND THE ALTITUDE SET AT 4000 FT. OPERATIONAL CHECKS WERE PERFORMED AND WERE UNABLE TO DUPLICATE THE WRITE-UP. THE AIRCRAFT WAS RETURNED TO SERVICE.