SDR GTIA2022122236848

Service difficulty report · A/C Pack · Airbus A320271N

Difficulty date: December 22, 2022
Submitted: December 23, 2022
Operation: Air carrier
Aircraft: N921NK
Make and model: Airbus A320271N
Aircraft serial: 9339
Aircraft time: 9,759 hours, 4,042 cycles
System (JASC): 2150 · Cabin Cooling System
Part: A/C Pack
Condition: Odor
Location: Nr 1
Stage of operation: DE
How discovered: O
Nature of condition: B
Precautionary procedure: O

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

What was found

FUME SMELL ON DESCENT SUSPECT PACK 1 CULPRIT-PERFORM TSM 05-50-00-810-831-A, DURING EVALUATION FOUND #1 PACK THE CAUSE OF FUME EVENT. #2 PACK CHECK OK W/ APU & ENGINE RUN AS PER AMM 71-00-00 & AMM 49-00-00. REF. LOG PG# 3006018-2 FOR PACK #1 DEFERRAL.

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