# SDR LR7A2021070802863

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 8, 2021
- Submitted: December 17, 2021
- Operation: Air carrier
- Aircraft: [N401LC](https://openairdocs.org/aircraft/N401LC), registered now
- Make and model: Lkheed 382G
- Aircraft serial: 4606
- Aircraft time: 58,836 hours, 34,577 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Ring
- Part number: LS40107
- Condition: Cracked
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/LR7A2021070802863

## Discrepancy

SUPPLEMENTAL INFORMATION DURING SCHEDULED C-14 WHILE PERFORMING OTHER MAINTENANCE FOUND THE FS357 RH RING SEGMENT, WL158-167, RBL73, HAS CRACKED AND CORRODED FASTENER HOLES. / REPAIRED IAW LOCKHEED SMP583 SRM, FIGURE 51-140-21.    NR# 1000449796.

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