Service difficulty report · Cap · Boeing 7377H4

Difficulty date
June 3, 2021
Submitted
June 24, 2021
Operation
Air carrier
Aircraft
N781WN
Make and model
Boeing 7377H4
Aircraft serial
30601
Aircraft time
70,552 hours, 41,684 cycles
Part
Cap
Condition
Corroded
Location
Bs 847-947
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 SEVERAL EXFOLIATION CORROSION SPOTS ON AFT CARGO CAP STRIPS FROM STA 847 THROUGH STA 947.5 ; / LOCATED AND DRILLED CAP STRIP PER B737-700 SRM 51-40-05-0G-0.;PERFORMED UT THICKNESS INSP ON REWORKED AREA IAW B737 NDT P4 51-00-00 PROC.3; MIN THK NOTED 0.038'<BR>TOOL USED MG27 BC:172139;REMOVED CORROSION FROM CAPSTRIPS FROM AFT CARGO FROM STA 847 THRU STA 947.5 RBL 21. AS PER B737-700 SRM 51-10-02-0G-0.;RECEIVED SERVICEABLE AFT CARGO CAP STRIP P/N 453A2611Y3; REF. TASK CARD TTG8Q004EYM2 FOR INSTALLATION.;VERIFIED STEP 1;VERIFIED STEPS 4 AND 5. TASK COMPLETE.

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