# SDR U2RA201705250001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 28, 2017
- Submitted: May 25, 2017
- Operation: Air carrier
- Aircraft: [N919CA](https://openairdocs.org/aircraft/N919CA), registered now
- Make and model: Boeing 747-400
- Registry model: [Boeing 747-400](https://openairdocs.org/model/boeing-747-400) (OpenAirDocs)
- Aircraft serial: 25302
- Aircraft time: 89,251 hours, 13,055 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Part number: 65B01751
- Condition: Cracked
- Location: Bs 1160
- Part time: 89,251 hours, 13,055 cycles
- Stage of operation: IN
- How discovered: E
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/U2RA201705250001

## Discrepancy

DURING ACCOMPLISHMENT OF AD 2016-05-12, SERVICE BULLETIN 747-53A2507 REVISION 2, FOUND BS 1160 PREVIOUS TENSION TIE ATTACH POINT WITH 2 FASTENER HOLES CRACKED.  ACCOMPLISHED PARTIAL FRAME SEGMENT REPLACEMENT IAW SRM 53-40-07, REPAIR 3.

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