Service difficulty report · Support Bracket · Boeing 7377H4

Difficulty date
October 15, 2025
Submitted
November 19, 2025
Operation
Air carrier
Aircraft
N910WN
Make and model
Boeing 7377H4
Aircraft serial
36618
Aircraft time
57,170 hours, 34,464 cycles
Part
Support Bracket
Condition
Corroded
Location
Zone 500
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

CORROSION REAR SPAR FUEL BOOST PUMP UPPER BONDING JUMPER SUPPORT BRACKET AT LT WING. R & R THE UPPER BONDING JUMPER AND UPPER BONDING CLIP OF THE AFT FUEL BOOST PUMP TANK 1 IAW AMM 28-22-41-000-801 STEP 2.H.(8), AND AMM 28-22-41-400-801 STEP 3.H.(22) TO 3.H.(24). RESISTANCE CHECKS ARE OK.

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