# SDR CALA2026081318563

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 12, 2026
- Submitted: August 13, 2026
- Operation: Air carrier
- Aircraft: [N21108](https://openairdocs.org/aircraft/N21108), registered now
- Make and model: Boeing 757224
- Aircraft serial: 27298
- Aircraft time: 108,984 hours, 26,250 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Part number: 149N601636
- Condition: Cracked
- Location: Zone 100
- 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/CALA2026081318563

## Discrepancy

LEFT WW BS 1060, INTERCOSTAL & SEAL CRACKED JUST FWD OF THE DOOR SENSOR BRACKET. REMOVED & REPLACED INTERCOSTAL AT LT SIDE WW BS 1060 IAW SRM 51-40-02.

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