Service difficulty report · Intercostal · Boeing 7377BD

Difficulty date
August 29, 2022
Submitted
September 29, 2022
Operation
Air carrier
Aircraft
N555LV
Make and model
Boeing 7377BD
Aircraft serial
36726
Aircraft time
36,017 hours, 21,105 cycles
Part
Intercostal
Condition
Cracked
Location
Fuselage
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

INTERCOASTAL - STA 380 TO 400 - BL '0' - CRACKED / [01] INSTALLED EWIS PROTECTION UNDER FLOOR PANEL STA 380 TO STA 400- BL-0' REF USED AMM20-60-07-913-801;[02] INSTALLED EWIS PROTECTION UNDER FLOOR PANEL STA 380 TO STA 400 BL-0' REF USED AMM 20-60-07-913-801;[03] REMOVED INTERCOASTAL AT MAIN CABIN FROM STA 380 TO STA 400 BL-0' REF USED SRM 51-40-02-0-0;[04] VERIFIED STEPS 1;2 AND 3;[05] LOCATED AND DRILLED NEW HOLES AT INTERCOASTAL - STA 380 TO 400 - BL '0' IN REF SRM 51-40-05-0G-0;TREATED AND APPLIED PRIMER IN REF SRM 51-20-01-0G-0;[14] INSTALLED EWIS PROTECTION UNDER FLOOR PANEL STA 380 TO STA 400- BL-0' REF USED AMM20-60-07-913-801;REMOVED INTERCOASTAL AT MAIN CABIN FROM STA 380 TO STA 400 BL-0' REF USED SRM 51-40-02-0-0;LOCATED AND DRILLED NEW HOLES AT INTERCOASTAL - STA 380 TO 400 - BL '0' IN REF SRM 51-40-05-0G-0;TREATED AND APPLIED PRIMER IN REF SRM 51-20-01-0G-0; INSTALLED INTERCOASTAL AT MAIN CABIN FROM STA 380 TO STA 400 BL-0' REF USED SRM 51-40-02-0-0 AND DRAWING 143A5400 AND REMOVED EWIS PROTECTION UNDER FLOOR PANEL STA 380 TO STA 400- BL-0' REF USED AMM20-60-07-913-802;[15] VERIFIED STEPS 11; 12; 13 AND 14

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