SDR GTIA2025090239060

Service difficulty report · A/C Pack · Airbus A320271N

Difficulty date: August 31, 2025
Submitted: September 2, 2025
Operation: Air carrier
Aircraft: N963NK
Make and model: Airbus A320271N
Aircraft serial: 11088
Aircraft time: 10,284 hours, 4,475 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 EVENT DURING DESCENT @ 11000 DIRTY SOCKS SMELL PACK 1 SHUT OFF PER FLAME PROCEDURE . ODOR WENT OFF -PER TSM FIG 05-50-00-991-01200-00-A DECISION TABLE , PERFORMED INSPECTION OF THE APU EXHAUST IAW AMM 49-00-00-200-811- LEVEL B/C. NO SIGN OF OIL LEAKAGE . PER GMM 30.40.3 FOLLOW STAGE 2 , PERFORMED STAGE 3 , PACK 1 LEVEL B REMOVAL OF THE CONTAMINATION OF THE ECS IAW AMM 21-00-00-615-803-A .NO SIGN OF SMELL . AC OKAY FOR CONTINUE SVC

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