Service difficulty report · Structure · Boeing 7377H4

Difficulty date
July 6, 2022
Submitted
August 4, 2022
Operation
Air carrier
Aircraft
N487WN
Make and model
Boeing 7377H4
Aircraft serial
33854
Aircraft time
60,194 hours, 35,692 cycles
Part
Structure
Condition
Corroded
Location
Fuselage
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

CORROSION INNER CHORD LOCATED 947.5 TO BS 986.5 AND RBL 53 WL 208.1 AT AFT GALLEY AREA 2022-355127 / [01] REPLACED INNER CHORD LOCATED 947.5 TO BS 986.5 AND RBL 53 WL 208.1 AT AFT GALLEY AREA B737-700 SRM 51-40-02 AND B737-700 DWG 117A8501 SHEET 80 REV B AND DWG 147A8501 SHEET 78 REV B. SEE INDIVIDUAL SIGNS-OFF BELOW.;[02] CORRECTED STEP 1.<BR>REPLACED INNER CHORD LOCATED BS 887 TO BS 1006 AND RBL 53 WL 208.1 AT AFT GALLEY AREA B737-700 SRM 51-10-02 AND B737-700 DWG 117A8501 SHEET 80 REV B AND DWG 147A8501 SHEET 78 REV B. SEE INDIVIDUAL SIGNS-OFF BELOW.;[03] REPLACED INNER CHORD LOCATED BS 887 TO BS 1006 AND RBL 53 WL 208.1 AT AFT GALLEY AREA B737-700 SRM 51-10-02 AND B737-700 DWG 117A8501 SHEET 80 REV B AND DWG 147A8501 SHEET 78 REV B. SEE INDIVIDUAL SIGNS-OFF BELOW.<BR>CERTIFIED AS RII

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