# SDR TWAA9812124

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 20, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N995Z
- Make and model: Doug DC-9-32
- Registry model: [Doug DC-9-32](https://openairdocs.org/model/mcdonnell-douglas-dc-9-32) (OpenAirDocs)
- Aircraft serial: 47027
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Condition: Corroded
- Location: Bs 965-980
- 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/TWAA9812124

## Discrepancy

DURING OP 16 MAINT CHECK, FOUND INTERCOSTAL AT 29R BADLY CORRODED AT STA 965 TO 980.  MADE NEW PER SRM 51-01, FABRICATED INTERCOSTAL FROM 7075-0 AND HEAT TREATED PER SRM 53-11-3 PAGE 108.  REMOVED CORROSION BY REPLACING INTERCOSTAL PER SRM 51-01, PAGE 1 ITEM C.  INSTALLED RIVETS PER SRM 51-30-02.  SMOOTHED AND FINISH PAINTED PER STD PRACTICE.

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