# SDR CALA0400146

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 21, 2004
- Submitted: February 23, 2004
- Operation: Air carrier
- Aircraft: [N16732](https://openairdocs.org/aircraft/N16732), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28948
- Aircraft time: 15,533 hours, 5,090 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Channel
- Part number: BAC1496377X7075T
- Condition: Corroded
- Location: Fuselage
- 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/CALA0400146

## Discrepancy

INSPECTION FOUND RT FLOOR PANEL Z-CHANNEL SUPPORT RAIL CORRODED AT STA 727-767.  THE Z-CHANNEL WAS REMOVED AND REPLACED IAW SRM 53-00-53.

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