# SDR CALA2025022402439

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 24, 2025
- Submitted: February 24, 2025
- Operation: Air carrier
- Aircraft: [N17133](https://openairdocs.org/aircraft/N17133), registered now
- Make and model: Boeing 757224
- Aircraft serial: 29282
- Aircraft time: 97,769 hours, 20,799 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Doubler
- Part number: 012N00481
- Condition: None
- 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/CALA2025022402439

## Discrepancy

DISCREPANCIES BETWEEN INSTALLATION DRAWING AND EXISTING FASTENER LOCATIONS DURING LAYOUT OF L1 DOOR SURROUND STRUCTURE DOUBLER PREVENTIVE MODIFICATION L1 DOOR SURROUND STRUCTURE DOUBLER PREVENTIVE MODIFICATION ACCOMPLISHED IAW EA 5330-04213 OP 4 REV D WITH DEVIATIONS PER ECRA 5330-07431. CATEGORIZED AS MAJOR REPAIR ON IHC BASE NON-ROUTINE 2381542 AND RII INSPECTED ON EA. VERIFIED L1 DOOR SURROUND STRUCTURE DOUBLER PREVENTIVE MODIFICATION ACCOMPLISHED IAW EA 5330-04213 OP 4 REV D WITH DEVIATIONS PER ECRA 5330-07431. CATEGORIZED AS MAJOR REPAIR ON IHC BASE NON-ROUTINE 2381542 AND RII INSPE L1 DOOR SURROUND STRUCTURE DOUBLER PREVENTIVE MODIFICATION ACCOMPLISHED IAW EA 5330-04213 OP 4 REV D WITH DEVIATIONS PER ECRA 5330-07431. CATEGORIZED AS MAJOR REPAIR ON IHC BASE NON-ROUTINE 2381542 AND RII INSPECTED ON EA.

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