# SDR UPS06446361

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 6, 2006
- Submitted: March 3, 2006
- Operation: Air carrier
- Aircraft: N522UP
- Make and model: Boeing 747-200
- Registry model: [Boeing 747-200](https://openairdocs.org/model/boeing-747-200) (OpenAirDocs)
- Aircraft serial: 21936
- Aircraft time: 72,217 hours, 16,929 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Part number: 65B01711
- Condition: Cracked
- Location: Bs 360
- 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/UPS06446361

## Discrepancy

COCKPIT BS 360 STR8-9R FRAME O/B FLANGE FOUND CRACK, CRACK LENGTH 0.19" TO 1 1/4".  COCKPIT BS 360 STR8-9R FRAME O/B FLANGE REPAIRED AS PER RS R53-12-35433 CONTINUED INSPECTIONS REQUIRE WHILE PERFORMED SB 747-53A2265 INSPECTIONS AND REPLACEMENT WITH SB747-2272 MOD AT OR BEFORE 20000 FLIGHT CYCLES.

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