# SDR IPXA2016022900058

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 14, 2016
- Submitted: February 29, 2016
- Operation: Air carrier
- Aircraft: [N573UP](https://openairdocs.org/aircraft/N573UP), registered now
- Make and model: Boeing 747-44AF
- Registry model: [Boeing 747-44AF](https://openairdocs.org/model/boeing-747-44af) (OpenAirDocs)
- Aircraft serial: 35662
- Aircraft time: 29,702 hours, 4,659 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Part number: 112U41025
- Condition: Corroded
- Location: Lt Wing
- 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/IPXA2016022900058

## Discrepancy

INSPECTION TYPE:D1, CORROSION DAMAGE WAS FOUND ON LT WING FUEL TANK ACCESS DOOR CUTOUT AREA,PANEL NR 546AB.  REPAIR IAW SRM 57-20-01-2R, REPAIR 4, REV 75.01.

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