Service difficulty report · Intercostal · Boeing 73779P

Difficulty date
February 17, 2023
Submitted
March 23, 2023
Operation
Air carrier
Aircraft
N7857B
Make and model
Boeing 73779P
Aircraft serial
29358
Aircraft time
53,322 hours, 35,875 cycles
Part
Intercostal
Condition
Corroded
Location
Zn 100 Fus Lower
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 BS767 TO BS792AT LEVEL STR26R AND WL 154 AFT CARGO COMPARTMENT 2023-116957<[01] REPLACED WEB - INTERCOSTAL LOCATED BETWEEN BS767 TO BS792AT LEVEL STR26R AND WL 154 AFT CARGO COMPARTMENT IAW B737-700 SRM 51-10-02 AND SRM 51-40-02 AND DWG 146A0081 REV: A. SEE INDIVIDUAL SIGNOFFS BELLOW;[02] REPLACED WEB - INTERCOSTAL LOCATED BETWEEN BS767 TO BS792AT LEVEL STR26R AND WL 154 AFT CARGO COMPARTMENT IAW B737-700 SRM 51-10-02 AND SRM 51-40-02 AND DWG 146A0081 REV: A. SEE INDIVIDUAL SIGNOFFS BELLOW AS RII

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