Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
July 25, 2021
Submitted
August 24, 2021
Operation
Air carrier
Aircraft
N224WN
Make and model
Boeing 7377H4
Aircraft serial
32493
Aircraft time
53,348 hours, 31,840 cycles
Part
Intercostal
Condition
Corroded
Location
Bs 767-787
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

CORROSION WEB - INTERCOSTAL LOCATED BTW BS767 TO BS787 AND STR 27R WL 150.5 AT AFT CARGO COMPARTMENT ; 2021-348871 / [01] TOOL USED DIGITAL CALIPER P/N: 700-113-10 S/N: 0013224 DUE DATE: 10 DEC 21; [02] TOOL USED: TEMPERATURE CONTROLLER P/N P3015GOES00000 S/N 142811020 DUE DATE: 21-JAN-22; [03] FABRICATED WEB-INTERCOSTAL LOCATED BTW BS 767 TO BS 787 AND STR 27R WL 150.5 AT AFT CARGO COMPARTMENT IAW B737-700 DWG 146A8132 SHEET 1 REV A AND SRM 51-40-05 MATERIAL USED P/N: 7075-T6-0.036 P.O: 2021 131796; [04] REPLACED WEB-INTERCOSTAL LOCATED BTW BS 767 TO BS 787 AND STR 27R WL 150.5 AT AFT CARGO COMPARTMENT IAW B737-700 DWG146A8130 REV B AND SRM 51-10-02 ITEM 9 MATERIAL USED P/N: 7075-T0 (HEAT TREATMENT TO T6)-0.036 P.O: 2021 131796; [05] COMPLETED RII INSPECTION.

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