# SDR UPS02439107

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 6, 2002
- Submitted: August 21, 2002
- Operation: Air carrier
- Aircraft: [N526UP](https://openairdocs.org/aircraft/N526UP), registered now
- Make and model: Boeing 747 212B
- Registry model: [Boeing 747 212B](https://openairdocs.org/model/boeing-747-212b) (OpenAirDocs)
- Aircraft serial: 21937
- Aircraft time: 79,834 hours, 15,049 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Shim
- Part number: 2024T300501N
- Condition: Corroded
- Location: Fuselage
- 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/UPS02439107

## Discrepancy

INSPECTION TYPE:C FX-KEEL BEAM BOX EXTERIOR LOWER CHORD TO PANEL SUPPORT ATT SHIM FOUND CORROSION AT RT SIDE STA 1328 RBL 6 TO RBL 9.  CORROSION REMOVED IAW SRM 51-10-01.  CORROSION BLEND OUT EXCEEDS SRM 53-10-01 FIG 1 LIMITS, REPLACED IAW SRM FIG 51-10-01 PG 8.

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