SDR YENA2025121801233

Service difficulty report · Unknown · Airbus A321231

Difficulty date: December 17, 2025
Submitted: December 18, 2025
Operation: Air carrier
Aircraft: N950JT
Make and model: Airbus A321231
Aircraft serial: 06609
Aircraft time: 38,546 hours, 12,299 cycles
System (JASC): 2120 · Air Distribution System
Part: Unknown
Condition: Odor
Location: Cockpit
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 561, BOS-SJU. LEVEL ONE FUME/ODOR EVENT, DESCENT AT 15,000 FT, A MAGIC MARKER, CHEMICAL ODOR IN COCKPIT. THE ODOR ISOLATION PROCEDURE ACCOMPLISHED, THE ODOR DISAPEARED IN 5 MINUTES. COMPLIED WITH INFORMATION NOTICE 2017-TO15, SECTION A, ISOLATED FAULT TO TYPE 10, AMBIENT AIR MISCELLANEOUS ODOR IAW TSM 05-50-00-810-085A/ & TSM 05-50-00-810-085B. ALSO INSPECTED APU NO EVIDENCE OF LEAKS. ACFT OK FOR SERVICE.

More about the Airbus A321-231