# SDR LR7A2023081103298

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 11, 2023
- Submitted: August 15, 2023
- Operation: Air carrier
- Aircraft: [N407LC](https://openairdocs.org/aircraft/N407LC), registered now
- Make and model: Lkheed 382G
- Aircraft serial: 5225
- Aircraft time: 15,996 hours, 9,609 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Door Sill
- Condition: Cracked
- Location: Upr
- 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/LR7A2023081103298

## Discrepancy

DURING SCHEDULED B-3 CHECK UNDER JOB CARD HB5305, FOUND UPPER ENTRY CREW DOOR SILL CRACKED AT FS236, WL195, LBL78. / REPAIR BY REPLACEMENT ACCOMPLISHED IAW LOCKHEED SMP583 SRM, CH. 51-60 & 51-70.    NR# 1000991145. / PSE# 53-30-12, AD 2012-06-09

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