# SDR UPS00434362

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 12, 2000
- Submitted: November 3, 2000
- Operation: Air carrier
- Aircraft: N682UP
- Make and model: Boeing 747121
- Aircraft serial: 20349
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Forging
- Condition: Corroded
- Location: Window Belt
- 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/UPS00434362

## Discrepancy

INSPECTION TYPE:C, INTER FUSELAGE BS 2040 - 2060 RT FOUND CORROSION AROUND WINDOW FORGING.  CORROSION REMOVED ACCORDING TO SRM 51-10-01, CORRODED AREA ON FWD SIDE OF WINDOW BELT WITHIN LIMITS, MAX DEPTH .02 INCH AND ON AFT SIDE OUT OF LIMITS MAX DEPTH .043 INCH ACCORDING TO EFN 747-53-1168.  SKIN PANEL ON AFT SIDE OF WINDOW BELT REPAIRED ACCORDING TO EFN 747-53-1192.

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