# SDR SWAA2023121520498

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 11, 2023
- Submitted: December 15, 2023
- Operation: Air carrier
- Aircraft: [N462WN](https://openairdocs.org/aircraft/N462WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32466
- Aircraft time: 64,652 hours, 38,523 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Channel
- Part number: UNKNOWN
- Condition: Corroded
- Location: Zn 100 Fus Lower
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2023121520498

## Discrepancy

CORROSION ACB CARGO RAIL STA-767 LBL-8.1 DAMAGE LOCATION CLARIFICATION=CORROSION ON ACB CARGO RAIL STA 767 +4' LBL-8.1<[01] UPDATED FABRICATION MATERIAL;[02] REMOVED CORROSION AT ACB RAIL STA 767 LBL 8.1<BR>FOUND OUT OF LIMITS IAW SRM 53-60-53-0L-2<BR>PERFORMED TRIM OUT OF THE UPPER FLANGE OF RAIL BEAM<BR>IAW SRM 53-00-53-2R-2. REPAIR 2. ALTERNATIVE 5.<BR>RECEIVED AND INSTALLED REINFORCING CHANNEL <BR>ALL STEPS COMPLETED;[03] VERIFIED COMPLETION OF CORRECTIVE ACTIONS 2 AND MEASUREMENT TABLE.

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