# SDR LR7A2021121303044

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 13, 2021
- Submitted: December 16, 2021
- Operation: Air carrier
- Aircraft: P4LAC
- Make and model: Lkheed 382G
- Aircraft serial: 4676
- Aircraft time: 54,706 hours, 33,377 cycles
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Former
- Part number: 2024T30040
- Condition: Cracked
- Component: Leading Edge, H, Lkheed
- Component part number: 370019601
- 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/LR7A2021121303044

## Discrepancy

DURING SCHEDULED C-9 CHECK WHILE PERFORMING OTHER MAINTENANCE, FOUND LH HORIZONTAL LEADING EDGE 3 TOTAL RIBS CRACKED AT (HSS255L, FS1069.9, WL281.1) (HSS261.2, FS1071.6, WL271.5) AND (HSS278.6L, FS1074, WL271.8). / REPAIRED IAW LOCKHEED SMP583 SRM, FIGURE 51-140-20. NR# 0692.

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