# SDR 9WGA2026032635604

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 15, 2024
- Submitted: March 26, 2026
- Operation: Air carrier
- Aircraft: [N356KD](https://openairdocs.org/aircraft/N356KD), registered now
- Make and model: Boeing 747446
- Aircraft serial: 25356
- Aircraft time: 83,500 hours, 17,029 cycles
- System (JASC): [5321 · Fuselage Floor Panel](https://openairdocs.org/jasc/5321)
- Part: Fastener
- Condition: Corroded
- Location: Zone 200
- 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/9WGA2026032635604

## Discrepancy

DURING HEAVY MAINTENANCE CHECK CENTER FUSELAGE UNDERNEATH FLOOR BOARD CANTED PRESSURE DECK BETWEEN STA 1240 AND 1260 RH SIDE FASTENER CORRODED.  REMOVED AND REPLACED FASTENERS AT CENTER FUSELAGE UNDERNEATH FLOOR BOARD CANTED PRESSURE DECK BTWN STA 1240 AND 1260 RH SIDE IAW B747-400F SRM 51-40-02-06-0.  THE AIRCRAFT WAS APPPROVED FOR RETURN TO SERVICE.

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