# SDR SCNA20201008122

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 21, 2020
- Submitted: October 8, 2020
- Operation: Air carrier
- Aircraft: [N801SY](https://openairdocs.org/aircraft/N801SY), registered now
- Make and model: Boeing 737-8Q8
- Registry model: [Boeing 737-8Q8](https://openairdocs.org/model/boeing-737-8q8) (OpenAirDocs)
- Aircraft serial: 30332
- Aircraft time: 63,730 hours, 24,799 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Channel
- Condition: Corroded
- Location: Bs 500f-500g
- 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/SCNA20201008122

## Discrepancy

FORWARD CARGO BAY CORROSION ON INTERCOSTAL UNDER LEFT CARGO FLOOR Z CHANNEL STA 500F-500G LBL 25 WL 160 NEAR SCREW HOLES, MARKED.  CORROSION ON FWD CARGO BAY INTERCOSTAL UNDER LEFT CARGO FLOOR Z-CHANNEL STA 500E TO 500G LBL 25 WL 160 FOUND TO BE OUT OF LIMITS, DUE TO FASTENER HOLE'S LOCATION, IAW SRM 53-00-53-1A-2 FIG 103 DETAIL (D).  REMOVED INTERCOSTAL, IAW SRM 51-40-02-0G-0.  INSTALLED NEW INTERCOSTAL NR 802535/6 AND REAIR PART LOT NR 5088298-1, IAW SRM 51-40-02-0G-0, SRM 53-30-53-2R-1 AND BOEING DWG 143A7505 REV B.

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