# SDR SWAA2023022897765

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 1, 2023
- Submitted: February 28, 2023
- Operation: Air carrier
- Aircraft: [N558WN](https://openairdocs.org/aircraft/N558WN), registered now
- Make and model: Boeing 737-73V
- Registry model: [Boeing 737-73V](https://openairdocs.org/model/boeing-737-73v) (OpenAirDocs)
- Aircraft serial: 30248
- Aircraft time: 61,562 hours, 39,157 cycles
- System (JASC): [5420 · Nacelle/Pylon Miscellaneous Structure](https://openairdocs.org/jasc/5420)
- Part: Shield
- Condition: Cracked
- 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/SWAA2023022897765

## Discrepancy

NO 2 ENG O/B FAN COWL INTERNALINTERCOSTAL CRACKED @ UPPER EDGE AFT ENG SERVICE OIL ACCESS DOOR MKD DOT<[01] REMOVED 1 OFF E/A DAMAGED SHIEL FROM NO2ENG O/B FAN COWL PER SRM 51-40-02;[02] LOCATED AND DRILL NEW SHIELD PER SRM 51-40-05;[03] CORRECTION: REMOVED 1 OFF E/A DAMAGED SHIELD FROM NO2ENG O/B FAN COWL PER SRM 51-40-02-0G-0;[04] CORRECTION: LOCATED AND DRILL NEW SHIELD PER SRM 51-40-05-0G-0;[05] VERIFIED STEPS 3 AND 4;[06] OK TO INSTALL NEW SHIELD AT #2 ENGINE O/B FAN COWL.;[07] INSTALLED NEW SHIELD ON NO 2 ENG O/B FAN COWL PER SRM 51-40-02-0G-0;[08] VERIFIED STEP 7

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