Service difficulty report · Skin · Boeing 7377H4

Difficulty date
February 21, 2020
Submitted
March 9, 2020
Operation
Air carrier
Aircraft
N737JW
Make and model
Boeing 7377H4
Aircraft serial
27869
Aircraft time
71,643 hours, 42,333 cycles
Part
Skin
Condition
Cracked
Location
Fuselage
Stage of operation
IN
How discovered
O
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

WHILE PERFORMING SI# 12057 CRACK INDICATION FOUND USING NDT MANUAL PART 6 53-30-25 AND 53-30-018 AT S1 AT STA 719 INDICATION IS 4" LONG CRACK INDICATION FOUND TO BE AT STA 701 STRINGER 1 AND REPAIRED ON NON-ROUTINE Y190180 IAW EA 1-753-36611 REV IR

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