# SDR SWAA2022022468856

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 6, 2018
- Submitted: February 24, 2022
- Operation: Air carrier
- Aircraft: N709SW
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 27843
- Aircraft time: 70,244 hours, 41,548 cycles
- System (JASC): [5420 · Nacelle/Pylon Miscellaneous Structure](https://openairdocs.org/jasc/5420)
- Part: None
- Part number: 31421002
- Part serial: 5806001
- Condition: Corroded
- Location: L/H Fuselage
- 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/SWAA2022022468856

## Discrepancy

***CORROSION*** LH ENGINE UPPER NOSE COWL SKIN CORRODED AFT EDGE FROM 4 OCLOCK TO 8 OCLOCK POSITIONS (UPPER) / REMOVED + REPLACED #1 ENG NOSE (INLET) COWL IAW AMMS 73-21-05; 71-11-00; 71-11-01; + 71-00-00. (POS:#1; TAG NO:475165; P/N OFF:314-2100-2; S/N OFF:5806001; P/N ON:314-2100-2; S/N ON:0066001)

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