# SDR DALA1205166303

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 13, 2012
- Submitted: January 31, 2012
- Operation: Air carrier
- Aircraft: N663US
- Make and model: Boeing 747451
- Aircraft serial: 23818
- Aircraft time: 6,465 hours, 812 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- 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/DALA1205166303

## Discrepancy

MAIN DECK FLOOR SUPPORT CORROSION BS 1627 LBL 16.5.  REPLACED THE CORRODED SUPPORT WITH NEW ONE PER B747-400 SRM 51-40-02.

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