Service difficulty report · Cabin Air Sys · Boeing 777223

Difficulty date
January 30, 2026
Submitted
January 30, 2026
Operation
Air carrier
Aircraft
N781AN
Make and model
Boeing 777223
Aircraft serial
29586
Aircraft time
98,516 hours, 12,315 cycles
Part
Cabin Air Sys
Condition
Abnormal
Stage of operation
DE
How discovered
O
Nature of condition
B
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AIRCRAFT WAS GROUNDED: CREW NOTICED STRONG WET SUCK ODOR BEGAN AT 9000K ON DESCENT FROM REAR TO FRONT. **SUPPLEMENTAL REPORT WILL BE SUBMITTED**(OPEN).