# SDR UIEA01023

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 9, 2000
- Submitted: April 13, 2001
- Operation: Air carrier
- Aircraft: [N808MC](https://openairdocs.org/aircraft/N808MC), registered now
- Make and model: Boeing 747 212B
- Registry model: [Boeing 747 212B](https://openairdocs.org/model/boeing-747-212b) (OpenAirDocs)
- Aircraft serial: 21048
- System (JASC): [5753 · Trailing Edge Flaps](https://openairdocs.org/jasc/5753)
- Part: Flap Track
- Part number: 65B170632
- Condition: Corroded
- Location: Nr 6 Flap
- Part time: 83,608 hours
- 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/UIEA01023

## Discrepancy

DURING ROUTINE INSPECTION, FOUND NR 6 INBOARD FLAP TRACK REAR SPAR FORWARD AFT ATTACH HOLES CORRODED.  CORROSION REMOVED BY MILLING FLANGE THICKNESS TO .8799 AT THE FORWARD HOLES; .8630 AT THE AFT HOLES.  FABRICATED NEW BEARING PLATES.  REWORK AREA TREATED, PAINTED, FLAP TRACK INSTALLED.  (M)

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