Service difficulty report · Controller · Boeing 737990ER

Difficulty date
November 20, 2015
Submitted
November 23, 2015
Operation
Air carrier
Aircraft
N487AS
Make and model
Boeing 737990ER
Aircraft serial
44108
Aircraft time
164 hours, 52 cycles
Part
Controller
Condition
Faulted
Location
Rt A/C Pack
Stage of operation
NR
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

DURING MASTER CAUTION RECALL, AIR COND AND RT PACK LIGHTS ILLUMINATED. LIGHTS EXTINGUISHED WHEN MASTER CAUTION WAS RESET. ACFT GROUNDED. TCV FAULT ON NR 2 ZONE TEMP CONTROLLER. CLEARED FAULT AND NR 2 ZONE TEMP CONTROLLER BITE TEST NORMAL IAW MM 21-61-00.