SDR CALA2026091519429

Service difficulty report · Intercostal · Boeing 737824

Difficulty date: August 18, 2026
Submitted: September 15, 2026
Operation: Air carrier
Aircraft: N73299
Make and model: Boeing 737824
Aircraft serial: 34005
Aircraft time: 59,102 hours, 21,722 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
Part number: 141A9402U20
Condition: Cracked
Location: Zone 200
Stage of operation: IN
How discovered: V
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

IN REF TO CARD (65-5300-1-0035): ELONGATED HOLES ON INTERCOSTAL RBL 11.0 IN PASSENGER COMPARTMENT BS 277, BETWEN S-2R AND S-3R. REMOVED AND REPLACED DAMAGED INTERCOSTAL P/N: 141A9402U20 BTW. BS 260 - 270 , RBL 11 IAW. DWG 141A9402 REV. A, DWG 141A0741-8 REV. A, AND SRM 51-40-02-0G-0.