# SDR DHL9774022C

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 2, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N740DH
- Make and model: Boeing 727-2Q9
- Registry model: [Boeing 727-2Q9](https://openairdocs.org/model/boeing-727-2q9) (OpenAirDocs)
- Aircraft serial: 21930
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Plenum
- Condition: Corroded
- Location: Right Ram Air
- 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/DHL9774022C

## Discrepancy

AT C-CHECK, CORROSION ON UPPER WALL OF RIGHT RAM AIR PLENUM CHAMBER 18 INCHES FROM AFT END.  SHOT PEENED DAMAGED AREA, COLD WORKED FASTENER HOLES, INSTALLED DOUBLER REPAIR PER SRM 57-30-3, 14' BY 4'  AND 11' BY 4.

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