# SDR CALA2025031102701

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 9, 2025
- Submitted: March 11, 2025
- Operation: Air carrier
- Aircraft: [N24224](https://openairdocs.org/aircraft/N24224), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28933
- Aircraft time: 79,571 hours, 29,215 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Window Frame
- Condition: Cracked
- Location: Zone 200
- Stage of operation: IN
- How discovered: E
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2025031102701

## Discrepancy

AS PER EA 5310-04554 REV D OP 004 - COCKPIT RH NO 1 WINDOW FRAME CRACK AT UPPER OUTB CORNER RADIUS. REF AAR N/R 9939591. MAJOR REPAIR. ACCOMPLISHED EA 5310-04554 REV D OP 004-RH #1 WINDOW FRAME PERMANENT REPAIR/ PREVENTATIVE MODIFICATION WHICH REMOVES THE #1 WINDOW ASSEMBLY. PERFORM A HFEC TO DETECT CRACKS. CUT THE WINDOW FRAME AND INSTALL REINFORCING DOUBLER/TRIPLER AS A PERMANENT REPAIR/ PREVENTATIVE MODIFICATION. REF TO ROUTINE CARD 2023173/2000/0243. SEQUENCE NO 1824. SFR 485. INSP COMPLIED WITH

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