# SDR FDEA202106191572

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 19, 2021
- Submitted: June 21, 2021
- Operation: Air carrier
- Aircraft: [N949FD](https://openairdocs.org/aircraft/N949FD), registered now
- Make and model: Boeing 757236
- Aircraft serial: 25060
- Aircraft time: 56,984 hours, 29,164 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Corroded
- Location: Bs 377 Lbl25-58
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA202106191572

## Discrepancy

LH NOSE TUNNEL, MAIN CABIN FLOOR BEAM, FLOOR BOARD ATTACH FASTENER HOLE IS   CORRODED AT STA 377.7 AT APPROX LBL24  ACCOMPLISHED FEDEX EA # F-5310-TO333967-P2 FUSELAGE - MAINFRAME - EXFOLIATION   CORROSION ON FLOOR BEAM AT STA 377.7, LBL 24.75 - 58.22

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