# SDR LR7A2025081503775

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 15, 2025
- Submitted: August 15, 2025
- Operation: Air carrier
- Aircraft: [N406LC](https://openairdocs.org/aircraft/N406LC), registered now
- Make and model: Lkheed 382G
- Aircraft serial: 4676
- Aircraft time: 57,786 hours, 35,500 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Bulkhead Web
- Part number: 7075T60050
- Condition: Cracked
- Location: Zone 100
- 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/LR7A2025081503775

## Discrepancy

DURING ULTRASONIC SPECIAL NDI INSP IAW LOCKHEED SERVICE FLO CS1370999, FOUND FS93 CANTED BULKHEAD CRACKING IN THE WEB. DOCUMENTED ON STEDAS NDT RPT PLA-049-2025AT TAT 57,776 TAC35,498, LP# 55164. AFTER FERRY FLIGHT TO A SUITABLE MRO FACILITY.  / REPAIR BY REPLACEMENT ACCOMPLISHED IAW LOCKHEED SMP583 SRM, CH. 51-60 & 51-70.    NR# 0002.

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