SDR QXEA200400487

Service difficulty report · Warning Light · Bombdr DHC8401

Difficulty date: June 22, 2004
Submitted: July 2, 2004
Operation: Air carrier
Aircraft: N412QX
Make and model: Bombdr DHC8401
Aircraft serial: 4059
Aircraft time: 5,653 hours, 6,226 cycles
System (JASC): 3620 · Pneumatic Indicating System
Part: Warning Light
Condition: Illuminated
Location: Zone 100
Stage of operation: DE
How discovered: O
Nature of condition: J
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 2381, DESCENDING OUT OT 10,000 FT WHEN POWER WAS REDUCED TO APPROXIMATLEY 10 PERCENT TORQUE, NR 1 BLEED HOT CAUTION LIGHT CAME ON. AFTER FOLLOWING CHECKLIST, CAUTION LIGHT WENT OUT. MAINTENANCE INTERROGATED CDS. NO FAULTS FOUND. GROUND RAN NR 1 BLEED SYSTEM FULL HOT THEN FULL COLD, NO CAUTION LIGHT. PERFORMED OPS TEST OF ECS TEMPERATURE CONTROL SYSTEM, TEST GOOD. AIRCRAFT RETURNED TO SERVICE.