Service difficulty report · Warning System · Boeing 737890

Difficulty date
December 3, 2009
Submitted
December 7, 2009
Operation
Air carrier
Aircraft
N565AS
Make and model
Boeing 737890
Aircraft serial
35181
Aircraft time
11,811 hours, 3,692 cycles
Part
Warning System
Condition
Malfunctioned
Location
Cockpit
Stage of operation
TX
How discovered
O
Nature of condition
N
Precautionary procedure
K

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

What was found

RT PACK LIGHT ILLUMINATED ON GROUND PRIOR TO TAKEOFF. RAN QRH, WOULD NOT EXTINGUISH. FOUND THAT RT PACK LIGHT WOULD RESET W/MASTER CAUTION. NR 2 CONTROLLER SHOWS RAM AIR SENSOR FAULT IN BIT & LAST FLT. VERIFY TEST GOOD. RESET FAULT. FAULT DID NOT RETURN. OPS CHECK RT PACK GOOD. PERFORMED GROUND VERIFICATION. SYS OPS NORMAL. REF FIM 21 53 TASK 804 & FIM 21 62 TASK 820.