Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
May 16, 2022
Submitted
June 8, 2022
Operation
Air carrier
Aircraft
N248WN
Make and model
Boeing 7377H4
Aircraft serial
32509
Aircraft time
53,726 hours, 32,221 cycles
Part
Intercostal
Part number
146A8127U12
Condition
Corroded
Location
Aft Cargo Bay
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 WEB - INTERCOSTAL LOCATED BETWEEN BS 787 AND BS 767 S-25R WL 156 APPROX AT AFT CARGO COMPARTMENT 2022-283991 / [01] REPLACED WEB INTERCOSTAL AND FASTENERS LOCATED BETWEEN BS 787 AND BS 767 S-25R WL 156 APPROX AT AFT CARGO COMPARTMENT. IAW B737-700 SRM 51-40-02; SRM 51-10-02 STEP 9 AND DWG 146A0081 SHEET 31 REV -;[02] REPLACED WEB INTERCOSTAL AND FASTENERS LOCATED BETWEEN BS 787 AND BS 767 S-25R WL 156 APPROX AT AFT CARGO COMPARTMENT. IAW B737-700 SRM 51-40-02; SRM 51-10-02 STEP 9 AND DWG 146A0081 SHEET 31 REV -

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