# SDR CALA2026101320348

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 6, 2026
- Submitted: October 13, 2026
- Operation: Air carrier
- Aircraft: [N73299](https://openairdocs.org/aircraft/N73299), registered now
- Make and model: Boeing 737824
- Aircraft serial: 34005
- Aircraft time: 59,105 hours, 21,724 cycles
- System (JASC): [5713 · Wing, Longeron/Stringer](https://openairdocs.org/jasc/5713)
- Part: Stringer
- Part number: 112A3215205
- Condition: Cracked
- Location: Zone
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026101320348

## Discrepancy

DURING OK TO INSTALL FUEL PANELS PROCEDURE, FOUND CRACK ON STRINGER ABOVE RIB 14 LOCATED ON LH WING BETWEEN WING STA 417 AND WING STA 443. ACCESS THROUGH PANELS 532HB AND 532JB. (REF AAR NR 1000090043).PERFORMED INTERIM REPAIR ON LH WING UPPER STRINGER 15 AT WSTA 432.50 RIB 14 IAW AAR RFD EO 260493 REV IR AND ECRA 5720-03689 PART 1. THIS IS A CATEGORY B REPAIR AND REQUIRES REPETITIVE INSPECTIONS. LOG PAGE 3418741 NON-ROUTINE 1000090043 DIP ENTRY: ON OR BEFORE 05-APR-2028, PERFORM AN INSPECTION AT THE LH WING UPPER STRINGER NO. 15 REPAIR AREA BETWEEN RIB 13, WSTA 405.50 AND RIB 15, WSTA 458.50 ON AIRCRAFT N73299 IN ACCORDANCE WITH PART 2 OF THE LATEST REVISION OF ECRA 5720-03689.

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