Service difficulty report · Intercostal · Boeing 73779L

Difficulty date
March 23, 2024
Submitted
April 25, 2024
Operation
Air carrier
Aircraft
N7889A
Make and model
Boeing 73779L
Aircraft serial
34023
Aircraft time
45,242 hours, 27,230 cycles
Part
Intercostal
Part number
UNKNOWN
Condition
Corroded
Location
Bs 747-767 S25r
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 BTW STA 747 TO STA 767 AT LEVEL STR 25R WL 153.5 AT AFT CARGO COMPARTMENT 2024-211691<[01] REPLACED WEB INTERCOSTAL AND FASTENERS LOCATED BTW STA 747 TO STA 767 AT LEVEL STR 25R WL 153.5 AT AFT CARGO COMPARTMENT IAW B737-700 SRM 51-40-02 AND SRM 51-10-02 ITEM 9 DWG146A7500 SHEET 88; REV:A.<BR>SEE INDIVIDUAL SIGN OFF BELOW.;[02] CERTIFIED STEP 1 COMPLETED

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