Service difficulty report · Circuit Breaker · Boeing 737890

Difficulty date
April 9, 2019
Submitted
April 10, 2019
Operation
Air carrier
Aircraft
N538AS
Make and model
Boeing 737890
Aircraft serial
41188
Aircraft time
27,182 hours, 7,893 cycles
Part
Circuit Breaker
Condition
Tripped
Location
Boost Pump
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

TANK 1 FWD BOOST PUMP C/B POPPED ON P91 D1 WHILE ACCESSING VACUUM WASTE C/B. GROUNDED - YES. INSPECTED C/B & ASSOC WIRING FOR DAMAGE. NONE FOUND. RESET C/B PER B737-800 AMM 20-60-01 & FUEL BOOST PUMP OPS CKS NORMAL REF AMM 28-22-41-720-802 C/B REMAINED CLOSED.