# SDR UPS06446630

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 15, 2006
- Submitted: April 5, 2006
- Operation: Air carrier
- Aircraft: N681UP
- Make and model: Boeing 747121
- Aircraft serial: 19661
- Aircraft time: 106,939 hours, 27,146 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Corroded
- Location: Bs 1040-1044
- 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/UPS06446630

## Discrepancy

BS 1040-1044 LBL 123 WING CTR SECTION UPPER FACE FOUND CORROSION.  CORROSION BLEND OUT 0.063" BY 4" BY 4" EXCEED SRM 57-30-01 FIG 1 LIMITS, M/D BS 1040-1044 LBL 123" WING CTR SECTION UPPER SKIN REPAIRED AS PER HX RS NR R57-14-35470 AND UPS EO NR B747-5710-24057-A.

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