Service difficulty report · Warning Message · Boeing 777222

Difficulty date
June 8, 2026
Submitted
June 10, 2026
Operation
Air carrier
Aircraft
N227UA
Make and model
Boeing 777222
Aircraft serial
30555
Aircraft time
95,287 hours, 11,181 cycles
Part
Warning Message
Condition
False Activation
Location
Zone 100
Stage of operation
CL
How discovered
O
Nature of condition
N
Precautionary procedure
A

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

What was found

CREW REPORTED LOSS OF RT BLEED SYSTEM CAUSING RT PACK TO BE OFF. CREW DID AN A/R TO DUB. MAINT MESSAGES: 26-39072 (RH WING LOOP 1) 26-37073 (RH WING LOOP 2) SHOW ON INBOUND FAULTS BOTH NOT ACTIVE. PERFORMED FIM TASK 26-18 TASK802, NO ACTIVE FAULT, NO LEAKS FOUND. AS PER TOMC REQUEST PERFORMED THE FOLLOWING FIM TASKS.30-11 TASK 806 AND 31-43 TASK 873. ALL TESTS PASSED, NO ACTIVE FAULTS.FAULT CONSIDERED INTERMITTENT.