# SDR 20000511SH038

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 20, 2000
- Submitted: May 11, 2000
- Operation: Air carrier
- Aircraft: [N802CC](https://openairdocs.org/aircraft/N802CC), registered now
- Make and model: Gulstm G1159
- Aircraft serial: 187
- System (JASC): [5753 · Trailing Edge Flaps](https://openairdocs.org/jasc/5753)
- Part: Fitting
- Part number: 1159WM20XXX
- Condition: Corroded
- Location: Wing
- Part time: 9,603 hours
- Component: Fitting, Gulstm
- Component part number: 1159WM202344
- 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/20000511SH038

## Discrepancy

**TONY, PART LOC:  RT OTBD FLAP TRACK OVERHANG**DURING A 72-MONTH INSPECTION, A ''QUILTED'' AREA WAS NOTICED ABOVE THE OUTBOARD FLAP TRACK OVERHANG PANEL.  UPON FURTHER INSPECTION, 2 RIVETS WERE NOTICED TO HAVE CRACKED HEADS.  AFTER DISASSEMBLY, SEVERE EXFOLIATION CORROSION WAS NOTICED ON THE .500 INCH TO .250 INCH TAPERED FITTING CAUSING THE SKIN TO BECOME DISFORMED.  PERIODIC X-RAY INSPECTION WOULD HELP IN EARLY DETECTION OF CORROSION.   (X)

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