Service difficulty report · Unknown · Boeing 737990ER

Difficulty date
March 16, 2019
Submitted
March 19, 2019
Operation
Air carrier
Aircraft
N467AS
Make and model
Boeing 737990ER
Aircraft serial
36362
Aircraft time
18,853 hours, 6,308 cycles
Part
Unknown
Condition
Malfunctioned
Location
Electrical Sys
Stage of operation
TX
How discovered
O
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

DURING THE PRE-FLIGHT, NOTICED THE "ELEC" AMBER LIGHT IS ILLUMINATED. THE ELECTRICAL HYDRAULIC PUMPS ALSO DID NOT TURN ON WHEN THE SWITCHES WERE PLACED TO THE "ON" POSITION. GROUNDED - YES. PERFORMED FIM 24-34 TASK 801, BITE SHOWS "SPCU INOP". PERFORMED FIM 24-34 TASK 802, FAULT CLEARED. ALSO FOUND CB'S FOR ELECT HYD PUMP SYS A AND ELECT HYD PUMP SYS B OUT. INSPECTED AREA, NO DISCREPANCIES FOUND, RESET CB'S, REF AMM 20-60-01. OPS CHECK OF EMDP'S NML, REF AMM 29-11-00. BITE CHECK OF ELECTRICAL METERS MODULE NML, REF FIM 24-34 TASK 801.