# SDR LR7A2020100502588

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 5, 2020
- Submitted: October 10, 2020
- Operation: Air carrier
- Aircraft: [N410LC](https://openairdocs.org/aircraft/N410LC), registered now
- Make and model: Lkheed 382G
- Aircraft serial: 4673
- Aircraft time: 39,318 hours, 25,543 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Support Frame
- Part number: 7075T6CLAD0040
- Condition: Cracked
- Location: Bs 234
- Component: Crew Door, Lkheed
- Component part number: 3630011
- 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/LR7A2020100502588

## Discrepancy

DURING SCHEDULED C-1 CHECK UNDER JOB CARD HC5312, FOUND THE CREW DOOR FRAME WITH MULTIPLE CRACKS AT THE LOWER STEP ATTACHMENT.  REPAIRED IAW LOCKHEED SMP583 SRM, FIGURE 51-140-19.  NR 7294.

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