# SDR AWXA200400239

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 21, 2004
- Submitted: March 4, 2004
- Operation: Air carrier
- Aircraft: [N173AW](https://openairdocs.org/aircraft/N173AW), registered now
- Make and model: Boeing 737-33A
- Registry model: [Boeing 737-33A](https://openairdocs.org/model/boeing-737-33a) (OpenAirDocs)
- Aircraft serial: 23632
- Aircraft time: 61,016 hours, 37,852 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 655289418
- Condition: Cracked
- 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/AWXA200400239

## Discrepancy

MCN - MAJOR REPAIR - DURING C-20 CHECK .25 INCH CRACK WAS FOUND IN CABIN FLOOR PANEL SUPPORT CHANNEL AT BS 540, RBL 45, WL 208.  MAINTENANCE REMOVED CRACKED FLOOR CHANNEL AT BS 540, FROM RBL 25 TO RBL 45, WL 208; FABRICATED A NEW REPLACEMENT CHANNEL; INSTALLED REPAIR PART IAW B737-300 SOPM 20-50-01 FIG 1 PG 1-8.

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