Service difficulty report · Support · Boeing 7377H4

Difficulty date
November 4, 2022
Submitted
December 6, 2022
Operation
Air carrier
Aircraft
N954WN
Make and model
Boeing 7377H4
Aircraft serial
36669
Aircraft time
38,324 hours, 23,332 cycles
Part
Support
Condition
Corroded
Location
Zn 100 Fus Lower
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

CORROSION ON FWD CARGO BAY FLOOR TO SIDEWALL SUPPORT AT LBL 24, BS 400+14, 420+14, 440+2, 440+18, 460+10, 460+14, 480+6, 480+10, 480+14. REMOVED CORROSION IAW SRM 51-10-02 FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2 ALLOWABLE DAMAGE PARA G 4A (2), FIGURE 103, DETAIL D. FABRICATED, LOCATED, AND DRILLED A NEW FLOOR TO SIDEWALL SUPPORT AND SPLICE IAW SRM 51-40-05-0G-0, SRM 53-00-53-2R-5, AND DWG 143A7501. TREATED AND PRIMED.

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