Service difficulty report · Control Unit · Boeing 737900ER

Difficulty date
October 9, 2023
Submitted
October 12, 2023
Operation
Air carrier
Aircraft
N407AS
Make and model
Boeing 737900ER
Aircraft serial
41731
Aircraft time
41,146 hours, 12,849 cycles
Part
Control Unit
Part number
115195219
Part serial
115195251031
Condition
Faulty
Location
Flight Deck
Part time
26,194 hours, 8,067 cycles
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

ELEC AMBER LIGHT ON OVERHEAD PANEL ILLUMINATED. GROUNDED - YES. PERFORMED TROUBLESHOOTING PER REF FIM 24-31 TASK 801 AND FIM 34-31 TASK 802 AND FOUND SPCU TO BE INOP. REMOVED AND REPLACED SPCU PER AMM 24-34-11-000-801 AND AMM 24-34-11-400-801. OPS CHECK GOOD. NO FURTHER FAULTS NOTED.

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