SDR SWAA2023030399721

Service difficulty report · Intercostal · Boeing 7377BD

Difficulty date: February 6, 2023
Submitted: March 3, 2023
Operation: Air carrier
Aircraft: N7746C
Make and model: Boeing 7377BD
Aircraft serial: 33934
Aircraft time: 50,644 hours, 26,573 cycles
System (JASC): 5310 · Fuselage Main, Structure
Part: Intercostal
Condition: Cracked
Location: Zn 200 Fus Top
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 ON INTERCOSTAL LOCATED BTW BS 277 TO BS 294.5 BL 0 ON PASSENGER CABIN 2023-99287<[01] REPLACED WEB INTERCOSTAL LOC. BTW BS 277 TO BS 294.5 BL 0 ON PASSENGER CABIN IAW B737-700 SRM 51-40-02 ;SRM 51-10-02 PARAGRAPH 9 AND DWG 141A5400 SHEET 20 REV - SEE INDIVIDUAL SIGNOFF BELOW;[02] REPLACED WEB INTERCOSTAL LOC. BTW BS 277 TO BS 294.5 BL 0 ON PASSENGER CABIN IAW B737-700 SRM 51-40-02 ;SRM 51-10-02 PARAGRAPH 9 AND DWG 141A5400 SHEET 20 REV - SEE INDIVIDUAL SIGNOFF BELOW RII

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