Service difficulty report · Skin · Boeing 7377H4

Difficulty date
April 10, 2024
Submitted
April 11, 2024
Operation
Air carrier
Aircraft
N422WN
Make and model
Boeing 7377H4
Aircraft serial
29826
Aircraft time
73,455 hours, 43,549 cycles
Part
Skin
Part number
UNKNOWN
Condition
Cracked
Location
Bs 559 S1
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

FOUND 2 INCH CRACK INDICATION STARTING AT BS 559+9; ENDING AT 559+11; STR S-1. ACCOMPLISHED CRACK VERIFICATION IN REF TO NDT MANUAL PART 4 53-30-06 UTPA AND NDT MANUAL PART 6 53-30-18 CRACK INSPECTION OF OUTER SKIN AT SUBSURFACE EDGES. REPAIRED FUSELAGE CROWN SKIN CRACK PER EA 24-153-00957; EA24-153-00957-WIP1; EA24-153-00957-WIP2; EA24-153-00957-WIP3

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