SDR YENA2025120101134

Service difficulty report · A/C Pack · Airbus A321231

Difficulty date: November 28, 2025
Submitted: December 1, 2025
Operation: Air carrier
Aircraft: N907JB
Make and model: Airbus A321231
Aircraft serial: 05865
Aircraft time: 43,477 hours, 13,748 cycles
System (JASC): 2150 · Cabin Cooling System
Part: A/C Pack
Condition: Odor
Location: Zone 100
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

FLT#1595, BOS-PUJ. FLIGHT ATTENDANTS REPORTED STRONG ODOR OF DIRTY SOCKS WHILE DESCENDING THROUGH 10,000' INTO PUJ, ODOR WAS FROM ROW 32 TO AFT GALLEY. PERFORMED DECONTAMINATION LEVEL B IAW TSM 05-50-00-810-831-A REF INFO NOTICE 2017-TO15L

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