# SDR MZZA99006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 25, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N75429](https://openairdocs.org/aircraft/N75429), registered now
- Make and model: Boeing 727-2F9
- Registry model: [Boeing 727-2F9](https://openairdocs.org/model/boeing-727-2f9) (OpenAirDocs)
- Aircraft serial: 21427
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Stiffener
- Part number: 65163381
- Condition: Corroded
- Location: Bs 950
- 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/MZZA99006

## Discrepancy

TNN - DURING S-CHECK INSPECTION AT AIR ASIA, CORROSION WAS FOUND ON BS 950 BULKHEAD LOWER TEE CHORD HORIZONTAL AND VERTICAL FLANGES ADJACENT TO KEEL BEAM S29R.  THE CORRODED LOWER TEE CHORD 5 INCHES LONG WAS TRIMMED OUT AND REPAIRED PER EC/RA NR 5310-03810 DATED 15 JAND 1999.  (M)

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