# SDR ZW0A0100317

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 13, 2001
- Submitted: April 17, 2001
- Operation: Air carrier
- Aircraft: [N906TW](https://openairdocs.org/aircraft/N906TW), registered now
- Make and model: Doug DC-9-82
- Registry model: [Doug DC-9-82](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82) (OpenAirDocs)
- Aircraft serial: 49160
- Aircraft time: 55,291 hours, 28,713 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Longeron
- Condition: Corroded
- Location: Fuselage
- 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/ZW0A0100317

## Discrepancy

DURING CHECK-C MAINT FOUND DEEP CORROSION ON LONGERON 23R, WITH PITS IN BOTTOM END TIE, STA 1320 TO 1338.  REPLACED LONGERON 23R WITH NEW.  SEALED PART DURING INSTALLATION PER SRM 51-20-00.  REPLACED EXISTING HI-LOKS WITH HL 329 AND HLT 429 PER SRM 51-60-0 FIG 4.  REINSTALLED RIVETS PER SRM 51-30-02.

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