# SDR DALA1156426310

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 29, 2011
- Submitted: October 21, 2011
- Operation: Air carrier
- Aircraft: N670US
- Make and model: Boeing 747451
- Aircraft serial: 24225
- Aircraft time: 92,135 hours, 11,261 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Doubler
- Condition: Cracked
- Location: Fuselage
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA1156426310

## Discrepancy

CRACK WAS FOUND ON DOOR FRAME REVEAL DOUBLER OF R/H5 MAIN ENTRY DOOR FWD CUTOUT STA 2231. S-21R-S-22R L:3".  PERFORMED THE DOOR REVEAL DOUBLER REPAIR PER B747-400 SRM 53-60-15 REPAIR 3 FIG 201.

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