Service difficulty report · Filter · Boeing 737990ER

Difficulty date
January 7, 2019
Submitted
January 10, 2019
Operation
Air carrier
Aircraft
N423AS
Make and model
Boeing 737990ER
Aircraft serial
35206
Aircraft time
22,559 hours, 7,427 cycles
Part
Filter
Condition
Dirty
Location
Cabin
Stage of operation
NR
How discovered
O
Nature of condition
O
Precautionary procedure
K

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

What was found

CABIN TEMPERATURE ROWS 6-10 EXCESSIVELY WARM IN FLIGHT. GROUNDED - YES. NO FAULTS ON BOTH PZTC BITE. CLEANED FLT, FWD & AFT COMPARTMENT ZONE TEMP FILTERS REF AMM 21-61-06. RAN PACKS, OPS NORMAL.