# SDR MZZA2009071700094

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 16, 2009
- Submitted: July 17, 2009
- Operation: Air carrier
- Aircraft: [N25201](https://openairdocs.org/aircraft/N25201), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28958
- Aircraft time: 31,768 hours, 11,941 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 141A5503
- Condition: Corroded
- Location: Bs 312
- 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/MZZA2009071700094

## Discrepancy

FWD PASSENGER COMPARTMENT FLOOR STRUCTURE WET AREA FLOORBEAM AT BS 312.  FOUND WITH CORROSION AROUND SCREW HOLE AT LBL 13.5 REPAIR CARRIED OUT IAW EC/RA 5321-01665.REFER TO ATTACHED FORM 44.0008 FOR SEQUENCE OF OPERATION. REFER TO L/P 0975568 FOR N DT INSPECTION.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.