SDR GTIA2025050138892

Service difficulty report · A/C Pack · Airbus A321231

Difficulty date: April 29, 2025
Submitted: May 1, 2025
Operation: Air carrier
Aircraft: N683NK
Make and model: Airbus A321231
Aircraft serial: 8114
Aircraft time: 22,806 hours, 10,200 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

DURING CRZ TO DES - ROTTEN EGG SMELL. ISOLATED TO PACK 2 AND SMELL WENT AWAY. DESCRIPTION OF ODOR/FUMES: TEMPORARY, ROTTEN EGG SMELL. APPARENT CABIN SOURCE: CABIN AIR SUPPLY VENTS. AFT CABIN/GALLEY(LAV) AND MID CABIN. NO VISIBLE SMOKE/HAZE. NO MEDICAL ATTENTION REQUIRED.-PERFORMED TSM 05-50-00-810-831-A. FOUND PACK 2 TO BE CAUSE OF AIR QUALITY. NO OTHER DEFECTS NOTED. FLIGHT CREW RAN ENGINES. REF LP# 3612871-2 FOR PACK 2 MEL APPLICATION. MOC# 69742

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