Service difficulty report · None · Boeing 74744AF

Difficulty date
October 6, 2021
Submitted
October 6, 2021
Operation
Air carrier
Aircraft
N572UP
Make and model
Boeing 74744AF
Aircraft serial
35669
Aircraft time
51,159 hours, 7,918 cycles
Part
None
Condition
None
Location
Cabin
Stage of operation
CL
How discovered
9
Nature of condition
J
Precautionary procedure
O

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

What was found

INSPECTION TYPE:N/A**ATB** DURING CLIMB OUT EICAS MESSAGE "WAI VALVE RIGHT" COMPLETED QRH. RIGHT WING ANTI-ICE VALVE WOULD NOT CLOSE. AIR TURN BACK. FUEL JETTISON.CMC SHOWS WAI VALVE RIGHT AT FAULT. R/R RH WING ANTI-ICE VALVE IAW AMM 30-11-03-404-008 REV 102.00. LEAK CHECKED SATIS. OPS TEST C/O SEVERAL TIMES. FOUND SATIS. P/N OFF-ON: 67-2985-003, S/N OFF: 487, S/N ON: 524. EFF REF IPC: 30-11-03-02 ITEM 085L REV 47.01.

More about the Boeing 747-44AF