# SDR UPS07449297

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 16, 2007
- Submitted: March 5, 2007
- Operation: Air carrier
- Aircraft: N683UP
- Make and model: Boeing 747121
- Aircraft serial: 20353
- Aircraft time: 90,184 hours, 22,066 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Condition: Corroded
- Location: Bs 1940
- 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/UPS07449297

## Discrepancy

INSPECTION TYPE:C BULK CARGO COMPT LEFT STA 1940 LBL 55 FLOOR SUPPORT FOUND CORRODED CRACK AS MARKED.  CORROSION BLEND OUT 0.025" X .5" X 1" EXCEED SRM 53-10-01 FIG 1 LIMITS.  BULK CARGO COMPT FLOOR SUPPORT REPLACED WITH EXISTING SPLICE FROM BS 1920-1970 LBL 55 PER SRM 51-10-01 PG 9 & INSTALLED PER SRM 51-30-02 REF NRC NO AFQ516607 FOR DETAIL.

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