Service difficulty report · Intercostal · Boeing 7378H4

Difficulty date
December 13, 2023
Submitted
January 16, 2024
Operation
Air carrier
Aircraft
N8312C
Make and model
Boeing 7378H4
Aircraft serial
38809
Aircraft time
37,321 hours, 17,423 cycles
Part
Intercostal
Part number
UNKNOWN
Condition
Cracked
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

CRACK WEB - INTERCOSTAL LOCATED BS945 RBL21 AND WL168 AT AFT CARGO COMPARTMENT 2023-751722<[01] REPLACED WEB - INTERCOSTAL LOCATED BETWEEN BS927 TO BS947.5 RBL21 AND WL168 AT AFT CARGO COMPARTMENT IAW B737-800 SRM 51-10-02 PARAGRAPH 9; SRM 51-40-02 AND DWG NO. 147A7500; SHEET 36; REV.-;[02] CORRECTED STEP 1.<BR>REPLACED WEB - INTERCOSTAL LOCATED BETWEEN BS927 TO BS947.5 RBL21 AND WL168 AT AFT CARGO COMPARTMENT IAW B737-800 SRM 51-10-02 PARAGRAPH 9; SRM 51-40-02 AND DWG NO. 147A7500; SHEET 36; REV.-<BR>SEE INDIVIDUAL SIGN OFF BELOW.;[03] REPLACED WEB - INTERCOSTAL LOCATED BETWEEN BS927 TO BS947.5 RBL21 AND WL168 AT AFT CARGO COMPARTMENT IAW B737-800 SRM 51-10-02 PARAGRAPH 9; SRM 51-40-02 AND DWG NO. 147A7500; SHEET 36; REV.-<BR>SEE INDIVIDUAL SIGN OFF BELOW.

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