# SDR SWAA2024010527540

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 20, 2023
- Submitted: January 5, 2024
- Operation: Air carrier
- Aircraft: [N445WN](https://openairdocs.org/aircraft/N445WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29841
- Aircraft time: 64,695 hours, 38,824 cycles
- System (JASC): [7830 · Engine Thrust Reverser](https://openairdocs.org/jasc/7830)
- Part: Thrust Reverser
- Part number: UNKNOWN
- Condition: Corroded
- Location: Zn 400 Nacelle/P
- 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/SWAA2024010527540

## Discrepancy

CORROSION AT NO-2 ENGINE OUB THRUST REVERSER AFT TRAILING EDGE<[01] EVALUATED DAMAGE AREA AT NO2 ENG O/B T/R AFT T/E SKIN; FOUND DEEP PITTING CORROSION OUT OF LIMITS PER REF B737 SRM 54-30-01-1A-4. T/R WILL BE REPLACED ON FAULT TTG8Q00PYA4B;[02] FINAL INSPECTION; VERIFIED STEP 1;[03] VERIFIED STEP 2;[04] VERIFIED STEP 2

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