SDR ASAA2023111246106

Service difficulty report · Unknown · Boeing 737900ER

Difficulty date: November 12, 2023
Submitted: November 13, 2023
Operation: Air carrier
Aircraft: N403AS
Make and model: Boeing 737900ER
Aircraft serial: 41730
Aircraft time: 41,003 hours, 13,056 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: O

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

What was found

CONT CABIN LIGHT ZONE TEMP ON RECALL, RESETS WITH MASTER CAUTION RESET. GROUNDED - YES. VERIFIED FAULT, ACCOMP PACK /ZONE TEMP CONT. BITE CONT #2 SHOWS TRIM VALVE FLT DECK FAULT. CONT #1 NO FAULTS. ACCOMP RESET ON #2. ACCOMP BITE VERIFY TEST ON BOTH CONT. BOTH PASS TEST REF. B737-900 AMM 21-61-00-700-806-002.

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