# SDR UPS02439636

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 15, 2002
- Submitted: October 9, 2002
- Operation: Air carrier
- Aircraft: N680UP
- Make and model: Boeing 747-SR-46
- Registry model: [Boeing 747-SR-46](https://openairdocs.org/model/boeing-747-sr-46) (OpenAirDocs)
- Aircraft serial: 20923
- Aircraft time: 63,455 hours, 32,969 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Failsafe
- Condition: Cracked
- 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/UPS02439636

## Discrepancy

INSPECTION TYPE: C RT BS 800 FRAME AREA FOUND 5 EA FASTENER HOLES CRACKED. REF ATT SKETCH FOR DETAILS.     STRAP AND CHORD REPAIRED AS PER RS R53-22-34910 & UPS EO NR B747-5310-17666-A. ** TO BE CONTINUEOUS PERFORMING REPEAT INSPECTION PER SB 747-53A2451  EVERY 3000 FLIGHT CYCLES.**

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