# SDR UPS05445143

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 24, 2005
- Submitted: August 10, 2005
- Operation: Air carrier
- Aircraft: N683UP
- Make and model: Boeing 747121
- Aircraft serial: 20353
- Aircraft time: 87,225 hours, 21,374 cycles
- System (JASC): [5753 · Trailing Edge Flaps](https://openairdocs.org/jasc/5753)
- Part: Structure
- Part number: 65B020984
- Condition: Corroded
- Location: Rt Wing Te Flap
- 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/UPS05445143

## Discrepancy

INSPECTION TYPE:C RIGHT WING I/B MID FLAP T/E WEB UPPER CHORD CORROSION REVEALED AT 73" - 78" AS MARKED (COUNT FROM I/B).  CORROSION BLEND OUT 0.083" X 3/4" X 3" EXCEED SRM 57-50-01 FIG 3 LIMITS.  CHORD REPAIRED AS PER HX RS R57-55-35354 & UPS ENGINEERING FILE 747-57-20081.

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