# SDR 9502886309

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 20, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N669US
- Make and model: Boeing 747451
- Aircraft serial: 24224
- System (JASC): [5412 · Nacelle/Pylon, Bulkhead/Firewall](https://openairdocs.org/jasc/5412)
- Part: Bulkhead
- Condition: Cracked
- Location: Fs 378.43
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/9502886309

## Discrepancy

DURING PERIODIC CHECK, A CRACK WAS FOUND ON THE NR 3 PYLON AFT BULKHEAD 378.43.  REMOVED DAMAGE AND REPAIRED PER EA 63-096770.

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