Service difficulty report · Unknown · Boeing 737890

Difficulty date
February 2, 2022
Submitted
February 5, 2022
Operation
Air carrier
Aircraft
N581AS
Make and model
Boeing 737890
Aircraft serial
35188
Aircraft time
51,951 hours, 15,426 cycles
Part
Unknown
Part number
UNKNOWN
Condition
Unknown
Location
Unknown
Stage of operation
NR
How discovered
V
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

RIGHT PACK CAUTION LIGHT ILLUMINATED ON RECALL LIGHT EXTINGUISHED WITH MASTER CAUTION RESET. GROUNDED - YES. FOUND RAM AIR ACT FAULT, PERFORMED PACK/ZONE BITE, GOT TCV FAULT. OPERATED BOTH PACKS W/ APU PNEUMATICS FOR 15 MINS, RE-PERFORMED PACK/ZONE BITE ON #2 ZONE CTRL TWICE AND OPS CHECK GOOD.