# SDR UPS07450252

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 5, 2007
- Submitted: July 27, 2007
- Operation: Air carrier
- Aircraft: N522UP
- Make and model: Boeing 747 212B
- Registry model: [Boeing 747 212B](https://openairdocs.org/model/boeing-747-212b) (OpenAirDocs)
- Aircraft serial: 21936
- Aircraft time: 74,820 hours, 17,560 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Condition: Cracked
- Location: Bs 550 S30l
- 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/UPS07450252

## Discrepancy

INSPECTION TYPE:C FWD CARGO COMPT S30L STRINGER FOUND DAMAGED AT STA 550, CRACK LENGTH 7/16".  FWD CARGO COMPT BS 550 STR 30L STRINGER REPAIRED AS PER SRM 53-10-03 FIG 2.  REPEAT INSPECTION IS REQUIRED AS PER SRM 53-10-03 FIG 2 SHEET 4 TABLE 3. UPS MPI NR P109303 RAISED.

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