# SDR UPS08452145

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 26, 2008
- Submitted: May 2, 2008
- Operation: Air carrier
- Aircraft: N521UP
- Make and model: Boeing 747 212B
- Registry model: [Boeing 747 212B](https://openairdocs.org/model/boeing-747-212b) (OpenAirDocs)
- Aircraft serial: 21944
- Aircraft time: 62,889 hours, 8,989 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Intercostal
- Condition: Cracked
- Location: L1 Door
- 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/UPS08452145

## Discrepancy

INSPECTION TYPE:C CABIN LT NR 1 DOOR BEAM INSTL FOUND CRACKED AS MARKED.  NEW BEAM INTERCOSTAL FABRICATED USING MATL 7075-0.050" PER DWGABA7096.  INTERCOSTAL HEAT TREATED TO T62 PER DPS7.00-1 HARDNESS HRB 78.4 IS ACCEPTABLE PER DPS1.05-3.  HOLES PICKED UP ON NEW BEAM PER SRM 51-31-01 V.2R .40  AND REPROTECTED PER SRM 51-21-01 V.2R.40.  NEW BEAM INTERCOSTAL INSTALLED PER SRM 51-33-01 AND 51-35-01V.2R.40.

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