# SDR MZZA98169

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 18, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N89427
- Make and model: Boeing 727227
- Aircraft serial: 21365
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Corroded
- Location: Bs 400
- 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/MZZA98169

## Discrepancy

TNN - HNRC:  840800 (SEQ NR 02430) - DURING '1/2D' CHECK INSPECTION ON AIRCRAFT AT AIR ASIA, CORROSION WAS FOUND ON PASSENGER CABIN FLOORBEAM UPPER CHORD AT BS 400 RBBL 36.  THE CORRODED FLOORBEAM UPPER CHORD FORWARD FLANGE 1 INCH BY 4 INCH IN SIZE WAS TRIMMED OUT AND REPAIRED PER B727 SRM 53-10-8 FIGURE 8.  (X)

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