SDR GTIA2025033138827

Service difficulty report · A/C Pack · Airbus A321231

Difficulty date: March 28, 2025
Submitted: March 31, 2025
Operation: Air carrier
Aircraft: N959NK
Make and model: Airbus A321231
Aircraft serial: 8115
Aircraft time: 23,328 hours, 10,377 cycles
System (JASC): 2150 · Cabin Cooling System
Part: A/C Pack
Condition: Odor
Location: Nr 2
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

AFT FA'S REPORTED FUME EVENT 5 MIN BEFORE LANDING. DESCRIBED AS DIRTY SOCK SMELL. DESCRIPTION OF ODOR/FUMES: TEMPORARY, DIRTY SOCKS SMELL. APPARENT CABIN SOURCE: CABIN AIR SUPPLY VENTS. AFT CABIN. NO VISIBLE SMOKE/HAZE. NO MEDICAL ATTENTION REQUIRED.-PERFORMED AUTO ENG START FOR #1 AND #2 ENG IAW AMM 71-00-00. AFTER T/S FOUND WHEN PACK #2 WAS ON DIRTY SOCK SMELL APPEARRED. IDENTIFY PACK #2 AT FAULT. FOLLOWED TSM 05-50-00-810-831-A TO IDENTIFY SOURCE OF SMELL

More about the Airbus A321-231