Service difficulty report · Anti-Ice Valve · Boeing 737824

Difficulty date
October 16, 2024
Submitted
October 18, 2024
Operation
Air carrier
Aircraft
N11206
Make and model
Boeing 737824
Aircraft serial
30578
Aircraft time
75,110 hours, 27,786 cycles
Engine
Cfmint CFM567B262
Part
Anti-Ice Valve
Part number
32156185
Part serial
3655
Condition
Faulty
Location
Nr 1 Engine
Part time
59,000 hours, 21,690 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

COWL VALVE OPEN LIGHT STAYS ON BRIGHT WHEN THE ENG ANTI-ICE SWIT CH IS MOVED TO ON ENG-1 ENG 1 COWL OPEN LIGHT ON WHEN ENG ANTI ICE ON AMBER TAI ON INST PANEL VALVE ANTI ICE #1 ENGINE ROTABLE PART CHANGE. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1405558 SN OFF 3655 VALVE, ANTI-ICE OFF 29-3021-9-0002 3655 ON 29-3021-9-0002 3248 COMPLETE TAI VALVE INSTALLATION UP TO F, 6,1 UPDATED LABOR AND GROUND TIMES. IN REF TO EARLIER INTREY COMPLETED TAI VALVE INSTALLATION REF. AMM 30-21-11-400-801 COMPLETE UP TO F (6) 1 PREFORMED LEAK CHECK REF. 30-21-11-400-801 OPS CHECK GOOD.