SDR SWAA2020101921743

Service difficulty report · Intercostal · Boeing 7377K9

Difficulty date: October 1, 2020
Submitted: October 19, 2020
Operation: Air carrier
Aircraft: N7879A
Make and model: Boeing 7377K9
Aircraft serial: 34321
Aircraft time: 46,064 hours, 22,543 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
Part number: 143A7505
Condition: Cracked
Location: Bs 500b-500c
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 BETWEEN BST 500B TO 500C AT LEVEL STRINGER 26 RT AT FWD CARGO COMPARTMENT. REPLACED WEB-INTERCOSTAL LOCATED BETWEEN BS 500B TO 500C AT LEVEL STRINGER 26R FWD CARGO COMPARTMENT, IAW B737-700 SRM 51-10-02 ITEM 9 AND DRAWING 143A7505 REV.D AND SRM 51-40-02.

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