# SDR 0300936632

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 7, 2003
- Submitted: May 14, 2003
- Operation: Air carrier
- Aircraft: N632US
- Make and model: Boeing 747251B
- Aircraft serial: 23112
- Aircraft time: 75,606 hours, 11,252 cycles
- System (JASC): [5412 · Nacelle/Pylon, Bulkhead/Firewall](https://openairdocs.org/jasc/5412)
- Part: Bulkhead
- Condition: Cracked
- Location: Nacelle
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/0300936632

## Discrepancy

DURING H-CHECK, FOUND CRACK IN NR 3 PYLON REAR MOUNT BULKHEAD WEB AT NACELLE STATION 227.  REPAIRED PER EA 66-165065.

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