Service difficulty report · Transceiver · Boeing 737990ER

Difficulty date
February 6, 2020
Submitted
February 11, 2020
Operation
Air carrier
Aircraft
N428AS
Make and model
Boeing 737990ER
Aircraft serial
36353
Aircraft time
15,777 hours, 5,019 cycles
Part
Transceiver
Part number
8222835002
Part serial
40KTHY
Condition
Faulty
Location
Satcom
Part time
25,648 hours, 8,149 cycles
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

SATCOM 1 UNUSABLE - VOLUME TOO LOW WITH VOLUME TURNED ALL THE WAY UP. GROUNDED - YES. REPLACED SATCOM IRIDIUM TRANSCEIVER REF B737-900 AMM 23-15-00-400-801. OPS CHECKS GOOD.