What was found
FLT#1620, BOS-LHR. 'TRICRESYL PHOSPHATE FUME EVENT DURING DESCENT . PACK 1 SUSPECTED AND ISOLATED. ( PACKS ).' (SUPPLEMENTAL INFORMATION TO FOLLOW)
- Difficulty date
- June 12, 2025
- Submitted
- June 16, 2025
- Operation
- Air carrier
- Aircraft
- N4074J
- Make and model
- Airbus A321271NX
- Aircraft serial
- 11354
- Aircraft time
- 7,880 hours, 1,204 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.