Service difficulty report · Support · Boeing 7377H4

Difficulty date
February 17, 2022
Submitted
April 4, 2022
Operation
Air carrier
Aircraft
N425LV
Make and model
Boeing 7377H4
Aircraft serial
29829
Aircraft time
66,161 hours, 39,000 cycles
Part
Support
Condition
Corroded
Location
L/H 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

LEFT WING INBOARD LEADING EDGE FORWARD BOOST PUMP LOWER GROUND STRAP HAS CORROSION SPOTS AT ATTACH POINT APPROX. W.S. 120. (51-002). ACOMPLISHED EWIS PROTECTION AT L/W L/E FWD BOOST PUMP W.S. 120 AREA IAW AMM 20-60-07-913-801. INSTALLED NEW UPPER ANGLE SUPPORT IAW SRM 57-20-10-1A-3 & SRM 51-40-02. L/H WING FWD SPAR WEB VERIFIED STEP 14;[16] TREATED AND PRIMED AREA AT LT WING I/B L/E FWD BOOST PUMP LOWER SECTION IAW AMM 51-21-41-370-802 & AMM 51-21-72-370-803.

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