# SDR ASAA2018030123794

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 1, 2018
- Submitted: March 12, 2018
- Operation: Air carrier
- Aircraft: [N546AS](https://openairdocs.org/aircraft/N546AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 30022
- Aircraft time: 48,768 hours, 16,392 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Channel
- Part number: 146A750231
- Condition: Corroded
- Location: Bs 727j-767
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2018030123794

## Discrepancy

AFT CARGO BAY FLOOR PANEL LEFT SIDE ZEE CHANNEL HAS CORROSION AT 7 FASTENER HOLES.   ACFT GROUNDED.   BLENDED CORROSION ON THE CHANNEL BS 727J - 747 AND 727H + 9.  FOUND TO BE WITHIN LIMITS IAW SRM 53-00-53,  FIG 103, SHEET 2.  REMOVED THE CHANNEL  IAW SRM 53-00-53-2R-5,  REPAIR 5.  FABRICATED CHANNEL REPAIR IAW SRM 53-00-53-2R-5, AND INSTALLED IAW SRM 53-00-53-2R-5,  AND DWG 146A7500, REV D.

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