Service difficulty report · Warning Light · Boeing 737990ER

Difficulty date
September 4, 2015
Submitted
September 9, 2015
Operation
Air carrier
Aircraft
N433AS
Make and model
Boeing 737990ER
Aircraft serial
41704
Aircraft time
7,450 hours, 2,382 cycles
Part
Warning Light
Condition
False Activation
Location
Rt A/C Pack
Stage of operation
LD
How discovered
O
Nature of condition
N
Precautionary procedure
O

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

What was found

RIGHT A/C PACK LIGHT ILLUMINATED DURING RECALL AT LANDING CHECKLIST. LIGHT EXTINGUISHED WHEN MASTER CAUTION RESET. ACFT GROUNDED. ACCOMPLISHED BITE OF BOTH PACK ZONE TEMP CONTROLLERS, IAW MM 21-61-00-700-806-002. LT CONTINUED TO SHOW TCV FAULT DURING A PREVIOUS FLT LEG BUT NO CURRENT FAULT WITH A SUCCESSFUL GROUND VERIFICATION.