# SDR SWAA2020042033087

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 19, 2020
- Submitted: April 20, 2020
- Operation: Air carrier
- Aircraft: [N926WN](https://openairdocs.org/aircraft/N926WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36629
- Aircraft time: 40,878 hours, 24,621 cycles
- System (JASC): [5347 · Fuselage, Seat/Cargo Attach Fittings](https://openairdocs.org/jasc/5347)
- Part: Cargo Track
- Condition: Corroded
- Location: Cargo Bay
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2020042033087

## Discrepancy

***CORROSION*** ON TRACK AROUND FASTENER HOLE AT ACB BS927+8 LBL2 WL178. / CORROSION ON TRACK (PN) 147A7501-13 FOUND TO BE OUT OF LIMITS DUE TO PROXIMITY OF FASTENERS HOLES IAW SRM 53-00-53-1A-2 FIG. 103 DETAIL D; REPLACEMENT OF PART REQUIRED; REMOVED AND INSTALLED NEW TRACK AT ACB BS 887-947 LBL2 WL178 IAW SRM 51-40-02-0G-0 AND DWG 147A7500.

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