SDR SWAA2022113070324

Service difficulty report · Support Bracket · Boeing 73776Q

Difficulty date: November 11, 2022
Submitted: November 30, 2022
Operation: Air carrier
Aircraft: N550WN
Make and model: Boeing 73776Q
Aircraft serial: 30279
Aircraft time: 64,956 hours, 40,344 cycles
System (JASC): 5720 · Wing Miscellaneous Structure
Part: Support Bracket
Condition: Corroded
Location: Lt Wing
Stage of operation: IN
How discovered: 9
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

CORRODED SUPPORT BRACKET AT BOOST PUMP TANK 1 AFT IRSS145, LT WING. REPLACED THE SUPPORT BRACKET IAW AMM 28-22-41-000-801, STEP 2.H. 8, 9, 10, AND AMM 28-22-41-400-801, STEP 3, H, 18, 20, 21, 23, E, F. ELECTRICAL BONDING RESISTANCE OK.

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