# SDR EIAA970163

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 13, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N485EV
- Make and model: Boeing 747 212B
- Registry model: [Boeing 747 212B](https://openairdocs.org/model/boeing-747-212b) (OpenAirDocs)
- Aircraft serial: 20712
- System (JASC): [5412 · Nacelle/Pylon, Bulkhead/Firewall](https://openairdocs.org/jasc/5412)
- Part: Bulkhead
- Condition: Corroded
- Location: Nr 4 Pylon
- Part time: 79,733 hours
- 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/EIAA970163

## Discrepancy

HKG - DUIRNG C5/D-CHECK INSPECTION, DISCOVERED NR 4 PYLON FRONT BULKHEAD AT NAC STATION 128 HAS CHAFING AND CORROSION. REPAIRS ACCOMPLISHED IAW RS 54-53-33350 AND BOEING TELEX EVR-HKG-97-0123RE, REWORKED.  (M)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.