Service difficulty report · Anti-Ice Valve · Boeing 777222

Difficulty date
December 26, 2024
Submitted
December 30, 2024
Operation
Air carrier
Aircraft
N769UA
Make and model
Boeing 777222
Aircraft serial
26921
Aircraft time
106,017 hours, 19,240 cycles
Engine
Pwa PW4077
Part
Anti-Ice Valve
Part number
8105023
Part serial
2007060412
Condition
Faulted
Location
Nr 2 Engine
Part time
18,455 hours, 3,064 cycles
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

ICING ENG EICAS CAUTION PRIMARY ICE DETECTION SYSTEM (LEFT OR RIGHT ICE DETECTORS) DETEC TS ICE, AND LEFT AND/OR RIGHT ENGINE ANTI-ICING SWITCH IS OFF. CAUTION LVL ADVISORY DURING CLIMB IN IMC. EXTINGUISHED EVENTUA LLY REPLACED RH EAI VLV REF AMM TASK 30-21-02-400-806-003. ACP ANTI-ICE ( ENG RUNNING) SYS TEST. REF AMM TASK 30-21-00-730-806-003. TEST PASSED. OK TO CONTINUE PARTS USED: 1332080,QTY :1 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1332080 SN OFF 0412 VALVE, ANTI-ICE OFF 25-3021-9-0001 0412 ON 25-3021-9-0001 7010