Service difficulty report · Warning Light · Boeing 737890

Difficulty date
December 22, 2017
Submitted
December 26, 2017
Operation
Air carrier
Aircraft
N514AS
Make and model
Boeing 737890
Aircraft serial
35193
Aircraft time
35,311 hours, 10,614 cycles
Part
Warning Light
Condition
Illuminated
Location
Lt A/C Pack
Stage of operation
CL
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 CLIMB, THE LT PACK LIGHT ILLUMINATED. AFTER COMPLETING QRH ITEMS, LIGHT REMAINED ON. MAX TEMP NOTED 30 DEGREES C. MAX PRESSURE 49. AFTER 15 MIN AT FL 350, LIGHT EXTINGUISHED USING MASTER CAUTION RESET. THE AIR CON LIGHT DID NOT ILLUMINATE WHEN PACK LIGHT CAME ON. ESTABLISHED PACK. NORMAL OPS THE REMAINDER OF FLIGHT. ACFT GROUNDED. PERFORMED OPS CHECK OF THE LT PACK. NO FAULTS FOUND. THE PACK LIGHT ILLUMINATED WITH RECALL AND RESETS WITH MASTER CAUTION RESET. AIRCRAFT OK FOR SERVICE.