# SDR UIEA2016031700185

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 17, 2016
- Submitted: March 21, 2016
- Operation: Air carrier
- Aircraft: [N477MC](https://openairdocs.org/aircraft/N477MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 29255
- Aircraft time: 70,777 hours, 12,695 cycles
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar
- Condition: Corroded
- Location: Rt Wing
- 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/UIEA2016031700185

## Discrepancy

CORROSION WEB RT WING LG & WW, CTR FUEL TANK REAR SPAR, STATION 1224 & RBL 94.  REMOVED GND WIRE FOR ACCESS REFER TO JC ATTACHING SHEET NO 0062331.  BLEND OUT CORROSION AREA IAW SRM 51-10-02-0O-0 REV 75.  PFM NOT INSPECTED & DETAIL DATA REFER TO JC ATTACHING SHEET NO 0062354.  ACCOMPLISHED EI NO T2016A57M-516 REV.  INSTALLED GND WIRE REFER TO JC ATTACHING SHEET NO 0062331.  JOB COMPLETED & CONDITION CHECKED NORMAL.

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