# SDR IPXA11B65509

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 11, 2011
- Submitted: March 18, 2011
- Operation: Air carrier
- Aircraft: [N583UP](https://openairdocs.org/aircraft/N583UP), registered now
- Make and model: Boeing 747-4R7F
- Registry model: [Boeing 747-4R7F](https://openairdocs.org/model/boeing-747-4r7f) (OpenAirDocs)
- Aircraft serial: 25867
- Aircraft time: 90,628 hours, 15,846 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Strap
- Part number: 65B0184925
- Condition: Cracked
- Location: Bs 2231
- 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/IPXA11B65509

## Discrepancy

INSPECTION TYPE:C, M/D LT BS 2231 1 EA FASTENER HOLE CRACK FOUND AT FRAME STRAP STR 16 BRACKET MOST UPPER FASTENER HOLE.  RUNNING FWD AND AFT THROUGH THICKNESS.  M/D LT BS 2231 FRAME STRAP, CHORD REPAIRED IAW HX RS R-53-82-36946, REV A AND EO B747-5310-41832-A AT STR 16L AREA.  STRAP CRACK THROUGH THICKNESS FINAL REMOVED SEGMENT IS 2-1"X18.75".  CHORD CRACK LENGTH FINAL CUTOUT IS 0.75X0.8", CLASSIFIED AS A MAJOR REPAIR. THIS REPAIR IS TIME LIMITED TO 18846 TAC PENDING DAMAGE TOLERANCE ANALYSIS.

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