Service difficulty report · Switch · Boeing 737990ER

Difficulty date
May 1, 2023
Submitted
May 5, 2023
Operation
Air carrier
Aircraft
N434AS
Make and model
Boeing 737990ER
Aircraft serial
61620
Aircraft time
26,281 hours, 8,165 cycles
Part
Switch
Condition
Defective
Location
Sat Sys
Stage of operation
NR
How discovered
V
Nature of condition
J
Precautionary procedure
K

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

What was found

HF/SAT XFER SWITCH WILL NOT GO INTO SAT ON HF/SAT #1. GROUNDED - YES. REMOVED & REPLACED HF/SAT TRANSFER PANEL, B737-900 AMM REF 23-15-00/401.