Service difficulty report · A/C Pack · Boeing 737890

Difficulty date
November 27, 2013
Submitted
December 2, 2013
Operation
Air carrier
Aircraft
N516AS
Make and model
Boeing 737890
Aircraft serial
39044
Aircraft time
19,008 hours, 5,917 cycles
Part
A/C Pack
Condition
Malfunctioned
Location
Left
Stage of operation
CR
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

FUNCTIONAL CHECK FOR PACK, HIGH FLOW INHIBIT FAILED WITH LT PACK OFF, CONFIGURATION WAS ALT 15,000 FT, PRESSURIZATION MODE SELECTOR MANUAL OUTFLOW VALVE ADJUSTED FOR ZERO CABIN RATE OF CLIMB RT PACK AUTO, LT PACK OFF, FLAPS UP. WHEN FLAPS SELECTED 1, CABIN DID NOT RATE UP. ACFT GROUNDED. PERFORM RESET PROCEDURE OF THE PACK/ZONE TEMP CONTROLLER BITE PROCEDURE IAW FIM 21-62-TASK 801. OPS CHECKED GOOD. ON SUBSEQUENT CHECK FLIGHT, FUNCTIONAL CHECK FAILURE OF RT PACK FOR HIGH FLOW INHIBIT REPEATED. ON DEFERRAL.