# SDR IPXA10B61909

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 8, 2010
- Submitted: August 16, 2010
- Operation: Air carrier
- Aircraft: [N581UP](https://openairdocs.org/aircraft/N581UP), registered now
- Make and model: Boeing 747-4R7F
- Registry model: [Boeing 747-4R7F](https://openairdocs.org/model/boeing-747-4r7f) (OpenAirDocs)
- Aircraft serial: 25866
- Aircraft time: 82,754 hours, 14,396 cycles
- Engine: Ge CF680C2B1F
- System (JASC): [5522 · Elevator, Plate/Skin](https://openairdocs.org/jasc/5522)
- Part: Skin
- Part number: 65B05730005
- Part serial: 001013
- Condition: Cracked
- Location: Lt Elevator
- 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/IPXA10B61909

## Discrepancy

INSPECTION TYPE:C, EMP LT OTBD ELEVATOR LWR SURFACE L/E FIXED PANEL CRACK AT ELE STA 281.8, CRACK LENGTH 2.3".  STA 273-290 AREA L/E FIXED PNL REPAIRED IAW HX RS R55-20-36774, REV A & EO B747-5520-38940-A, ORG. MAT'L 0.032IN 6061-T6 CRACK LENGTH 2.3", FINAL CUTOUT SIZE 16.7" X 6.75" THIS IS CLASSIFIED A MAJOR REPAIR WITH MAT'L 7075T6-0.071" AS SKIN SEGMENT 7075T6-0.080" AS SPLICE. 7075T6-0.071" AS STRAP, REPAIR SIZE IS 6.75" X 22.875".

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