# SDR NACA2023070100001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 1, 2023
- Submitted: July 7, 2023
- Operation: Air carrier
- Aircraft: N399CM
- Make and model: Boeing 767323
- Aircraft serial: 25451
- Aircraft time: 109,495 hours, 18,581 cycles
- System (JASC): [5300 · Fuselage Structure (General)](https://openairdocs.org/jasc/5300)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- 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/NACA2023070100001

## Discrepancy

- CORROSION FOUND ON THE KEEL BEAM T CHORD AROUND STA960 BETWEEN LBL9 AND RBL 9. REPLACED THE DAMAGED T CHORD ON THE KEEL BEAM STA 960 BETWEEN LBL9 AND RBL9 AS PER B767-300 SRM 51-40-05 REVISION NO.122

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