Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
April 25, 2023
Submitted
May 25, 2023
Operation
Air carrier
Aircraft
N959WN
Make and model
Boeing 7377H4
Aircraft serial
36674
Aircraft time
38,285 hours, 23,370 cycles
Part
Intercostal
Condition
Cracked
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

CRACKED INTERCOSTAL NEAR FASTENER HOLE; BS 277+14; LBL 3; WL 208.<[01] AFTER FURTHER INVESTIGATION FOUND CRACK ON INTERCOSTAL NEAR FASTENER HOLE BS277+14 LBL 3 WL208 TO BE LOCATED AT BS277+14 BL0; WL 208.1;[02] CRACKED ON INTERCOSTAL NEAR FASTENER HOLE BS277+14 BL 0 WL208 WILL BE REPLACED ON FAULT#TTG8Q00KN9AG;[03] VERIFIED CORRECTIVE ACTION 1 AND 2.;[04] THIS REPAIR WILL BE ACCOMPLISHED ON CARD #TTG8Q00KN9AG.

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