# SDR CALA2014090892071

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 2, 2014
- Submitted: September 8, 2014
- Operation: Air carrier
- Aircraft: [N657UA](https://openairdocs.org/aircraft/N657UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 27112
- Aircraft time: 92,036 hours, 14,458 cycles
- Engine: Pwa PW4060
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- 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/CALA2014090892071

## Discrepancy

MAIN CABIN FLOOR STRUCTURE AT BS 847 & LBL 58, TRANSVERSE FLOORBEAM CORRODED, MID LAVATORY AREA.  MATERIAL REMAINING AFTER CORROSION BLEND OUT EXCEEDED SRM 53-50-51. REMOVED DAMAGED FLOORBEAM SECTION, FABRICATED A NEW UPPER CHORD SECTION & INSTALLED IAW SRM 53-00-51 FIG 201 REPAIR 3, MATERIAL ID 1506-2066 7075-T73511 EXTRUSION.

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