# SDR DHL2007793032

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 11, 2007
- Submitted: February 24, 2008
- Operation: Air carrier
- Aircraft: N793DH
- Make and model: Boeing 727247
- Aircraft serial: 21393
- Aircraft time: 66,799 hours, 39,978 cycles
- System (JASC): [5410 · Nacelle/Pylon, Main Frame](https://openairdocs.org/jasc/5410)
- Part: Nose Cowl
- Condition: Cracked
- Location: Nr 1 Engine
- 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/DHL2007793032

## Discrepancy

NR 1 ENGINE NOSE COWL EXTERIOR SKIN SURFACE AT 12 O'CLOCK POSITION JUST OUTBOARD OF INSPECTION PANEL HAS A 2" LONG CRACK RUNNING FROM RIVET HEAD.  CUT OUT DAMAGED SECTION.  FABRICATED AND INSTALLED DOUBLER REPAIR IAW SRM 54-30-3 FIGURE 3 AND 3A.

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