# SDR EIA990309

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 11, 1999
- Submitted: May 24, 2000
- Operation: Air carrier
- Aircraft: N941F
- Make and model: Doug DC-9-33F
- Registry model: [Doug DC-9-33F](https://openairdocs.org/model/mcdonnell-douglas-dc-9-33f) (OpenAirDocs)
- Aircraft serial: 47193
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Part number: 99578383
- Condition: Corroded
- Location: Pax Door Sill
- 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/EIA990309

## Discrepancy

MZJ - MULTIPLE FASTENERS SEVERELY CORRODED BELOW FORWARD ENTRY DOOR LOWER SILL AND ABOVE AIRSTAIR DOOR FRAME.  REPLACED 9957838-3 INTERCOSTAL, SPLICED NEW SECTION OF UPPER CUSP ANGLE, AND INSTALLED REPAIR ANGLE ON LOWER CUSP ANGLE PER ECRA 941-53-075-2 REV A.  (M)

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