# SDR CALA2025072806953

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 3, 2025
- Submitted: July 28, 2025
- Operation: Air carrier
- Aircraft: [N73283](https://openairdocs.org/aircraft/N73283), registered now
- Make and model: Boeing 737824
- Aircraft serial: 31606
- Aircraft time: 66,576 hours, 24,786 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Door Frame
- Part number: 147A85407
- Condition: Corroded
- Location: Zone 200
- 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/CALA2025072806953

## Discrepancy

FOUND TWO AREA OF INTER-GRANULAR CORROSION, NEXT TOO THE R1 DOOR(INNER-CHORD) REF AAR N/R 9983208 COMPLETED INSTALLATION OF FASTENERS AT INNER CHORD OF R-1 DOOR REF SRM 51-40-02-0G-0, DWG 141A8310. WORK ACCOMPLISHED BY V935074 AND INS-223. ESFR CREATED AND SUBMITTED COMPLETED INSTALLATION OF FASTENERS AT INNER CHORD OF R-1 DOOR REF SRM 51-40-02-0G-0, DWG 141A8310. WORK ACCOMPLISHED BY V935074 AND INS-223. ESFR CREATED 1296 INSP C/W

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