SDR ASAA2023040342757

Service difficulty report · Unknown · Boeing 737990ER

Difficulty date: April 3, 2023
Submitted: April 10, 2023
Operation: Air carrier
Aircraft: N431AS
Make and model: Boeing 737990ER
Aircraft serial: 43255
Aircraft time: 34,809 hours, 11,020 cycles
System (JASC): 2160 · Cabin Temperature Control System
Part: Unknown
Part number: UNKNOWN
Condition: Unknown
Location: Unknown
Stage of operation: NR
How discovered: V
Nature of condition: J
Precautionary procedure: K

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 INDICATION AND ZONE TEMP CAUTION LIGHT ON OVERHEAD. GROUNDED - YES. PERFORMED BITE TEST PER MM 21-61-00, SHOWED FLT DECK TRIM, ALL PASS "GO". RESET LIGHT AND RE PERFORMED BITE, ALL PASS GO WITH NO ANOMALIES. AC GOOD FOR SVC.