Service difficulty report · Stringer · Boeing 7377H4

Difficulty date
March 9, 2021
Submitted
March 31, 2021
Operation
Air carrier
Aircraft
N218WN
Make and model
Boeing 7377H4
Aircraft serial
32489
Aircraft time
53,157 hours, 31,841 cycles
Part
Stringer
Condition
Cracked
Location
Fwd Cargo
Stage of operation
IN
How discovered
V
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

CRACK STRINGER 26R; BS 540 FWD CARGO COMPARTMENT. EVALUATED ALLOWABLE DAMAGE LIMITS OF STR 26R AND FOUND OUT OF LIMITS DUE TO CRACK IS NOT PERMITTED. FABRICATED REPAIR PART OF MATERIAL ALUMINUM SHEET P/N 7075-0.045' P.O:2021113097; P/N:7075-T0-0.50 P.O:2020 213289;HEAT TREATED AND CONVERTED FROM TO CONDITION TB AND PERFORMED PERMANENT REPAIR ON STR 26R LOC BS 540 TO BS 500D +10' IAW B737-700 SRM-53-00-03-2R-1; REPAIR 1.

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