# SDR LR7A2026041603818

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 16, 2026
- Submitted: April 20, 2026
- Operation: Air carrier
- Aircraft: [N405LC](https://openairdocs.org/aircraft/N405LC), registered now
- Make and model: Lkheed 382G
- Aircraft serial: 5025
- Aircraft time: 46,321 hours, 20,933 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Bulkhead Web
- Part number: 7075T60050
- Condition: Cracked
- Location: Zone 200
- 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/LR7A2026041603818

## Discrepancy

DURING ULTRASONIC SPECIAL NDI INSP IAW LOCKHEED SERVICE FLO CS1370999, FOUND FS93 CANTED BULKHEAD CRACKING IN THE WEB. DOCUMENTED ON KF AERO NDT RPT NDT26-1078 TAT 46,321, TAC 20,933, LP# 58992.  REPAIR BY REPLACEMENT ACCOMPLISHED IAW LOCKHEED SMP583 SRM, CH. 51-60 & 51-70. NR# 1001367898.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.