Service difficulty report · Transceiver · Boeing 777222

Difficulty date
July 18, 2012
Submitted
August 9, 2012
Operation
Air carrier
Aircraft
N215UA
Make and model
Boeing 777222
Aircraft serial
30221
Aircraft time
43,703 hours, 9,365 cycles
Engine
Pwa PW4077
Part
Transceiver
Part number
8220334002
Part serial
92
Condition
Failed
Location
Radio Altimeter
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

THE LEFT RADIO ALTIMETER OUTPUT LOST, INACCURATE, OR INTERMITTENT. STATUS MSG01- ACTIVE CLIMB INTERMITTENT; RADIO ALTIMETER TRANSMIT ANTENNA (LEFT) CIRCUIT IS OPEN. DB- RADIO ALTIMETER TRANSCEIVER (LEFT) MSG02- ACTIVE CLIMB INTERMITTENT; RADIO ALTIMETER TRANSMIT ANTENNA (LEFT) CIRCUIT IS OPEN. ITEM CNX PER PLF SHOWS NOT ACTIVE ITEM CNX PER PLF SHOWS NOT ACTIVE MSG-3442031 ACTIVE CL INTER MSG-3442031 ACTIVE CL INTER. REPLACED NR 1 RADIO ALTIMETER TRANSCEIVER PER MM 34-33-01.