# SDR UPS05444543

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 19, 2005
- Submitted: May 31, 2005
- Operation: Air carrier
- Aircraft: N677UP
- Make and model: Boeing 747123F
- Aircraft serial: 20391
- Aircraft time: 94,338 hours, 23,406 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Condition: Cracked
- Location: Fuselage
- 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/UPS05444543

## Discrepancy

INSPECTION TYPE:C M/D BS 742 S-9L STRINGER END FOUND CRACKED.  CRACK LENGTH 2.875 INCH.  M/D BS 742 STR -9L TO BS 770 STR 9L AREA STRINGER REPAIRED AS PER SRM 53-10-03 FIG 4.

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