Service difficulty report · Intercostal · Boeing 73779P

Difficulty date
January 31, 2025
Submitted
March 4, 2025
Operation
Air carrier
Aircraft
N7857B
Make and model
Boeing 73779P
Aircraft serial
29358
Aircraft time
59,090 hours, 39,530 cycles
Part
Intercostal
Condition
Corroded
Location
Zone 100
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 BS 492.4 TO BS 500A AT LEVEL STR26R FWD CARGO COMPARTMENT 2025-93323 <[01]. REPLACED WEB - INTERCOSTAL AND FASTENERS LOCATED BS 492.4 TO BS 500A AT LEVEL STR26R FWD CARGO COMPARTMENT IAW B737-700 SRM 51-40-02; SRM 51-10-02 ITEM 9 AND DWG 143A0080 SHEET 19 REV -. SEE INDIVIDUAL SIGN OFF BELOW.; [02] JOB COMPLETED; SEE INDIVIDUAL SIGN OFF BELOW.

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