SDR ASAA2019101743121

Service difficulty report · Connector · Boeing 737990ER

Difficulty date: October 14, 2019
Submitted: October 22, 2019
Operation: Air carrier
Aircraft: N494AS
Make and model: Boeing 737990ER
Aircraft serial: 41729
Aircraft time: 14,648 hours, 4,661 cycles
System (JASC): 2897 · Fuel System Wiring
Part: Connector
Condition: Not Seated
Location: Fuel Pump
Stage of operation: NR
How discovered: O
Nature of condition: J
Precautionary procedure: O

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

What was found

L CTR FUEL PUMP REMAINS ILLUMINATED WHEN SWITCH IS PLACED TO "ON" WITH FUEL IN CENTER TANK. GROUNDED - YES. REF B737-900 WDM 28-23-11 PGE 3 SHTS 1-4, VERFIED NO POWER AT R962 A2,B2,C2 AND X1. NO GND AT X2 OF SAME RELAY. FOUND AT J20 PANEL CONNECTOR D40858P NOT FULLY SECURED. SECURED SAME. CENTER ENGINE FUEL FEED PUMPS OPS TEST GOOD PER B737-900 AMM 28-22-00 AND CENTER TANK BOOST PUMP AUTO SHUTOFF TEST GOOD REF AMM 28-22-00. GROUND VERIFICATION TEST GOOD. THIS CLEARS MEL'S 28-3F AND 28-2E.