# SDR PIDA07020

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 20, 2007
- Submitted: April 24, 2007
- Operation: Air carrier
- Aircraft: N250TR
- Make and model: Boeing 737-2K5
- Registry model: [Boeing 737-2K5](https://openairdocs.org/model/boeing-737-2k5) (OpenAirDocs)
- Aircraft serial: 22597
- Aircraft time: 49,122 hours, 28,676 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- 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/PIDA07020

## Discrepancy

DURING MAINTENANCE CHECK, NOTED CORROSION ON UPPER CHORD OF BS 312 FLOORBEAM FROM BL 0 TO LBL 12.  REPLACED SECTION OF TEE CAP PER SRM 53-10-9 FIGURE 5.

---
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.