# SDR MZZA2009042300053

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 22, 2009
- Submitted: April 23, 2009
- Operation: Air carrier
- Aircraft: [N14249](https://openairdocs.org/aircraft/N14249), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28809
- Aircraft time: 31,155 hours, 11,871 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 147A5508
- Condition: Corroded
- Location: Bs 986
- 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/MZZA2009042300053

## Discrepancy

AFT CABIN FLOORBEAM AT BODY STATION 986.5 AT RBL-20, UPPER SURFACE HAS CORROSION.  FLOORBEAM CHORD REPAIR CARRIED OUT IAW B737-800 SRM 53-00-51, REPAIR 1, FIG 203, REV 35.

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