# SDR CALA2026030514333

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 2, 2026
- Submitted: March 5, 2026
- Operation: Air carrier
- Aircraft: [N57439](https://openairdocs.org/aircraft/N57439), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 33534
- Aircraft time: 52,618 hours, 18,767 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Structure
- Part number: 141A81121
- Condition: Cracked
- Location: Zone 800
- 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/CALA2026030514333

## Discrepancy

MAIN CABIN L1 ENTRY LOWER INNER SECTION CRACKED AT BS 303.   REMOVED AND REPLACED L1 DOOR LOWER INNER STRUCTURE IAW SRM 51-40-02-0G-0, AND DWG 141A8110, REV E.

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