# SDR 0500556743

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 23, 2005
- Submitted: April 25, 2005
- Operation: Air carrier
- Aircraft: N643NW
- Make and model: Boeing 747249F
- Aircraft serial: 22245
- Aircraft time: 84,657 hours, 19,648 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Doubler
- Condition: Cracked
- Location: Press Panel
- 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/0500556743

## Discrepancy

DURING "L" CHECK, FOUND THREE CRACKED FASTENER HOLES ON DOUBLER AROUND APU PRESSURE PANEL CUTOUT AT BS 2360.  REPAIRED PER EA 165204.

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