# SDR SWAA2023022897766

- 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/SWAA2023022897766

## Discrepancy

NO-1 ENG I/B FAN COWL INTERNAL INTERCOSTAL CRACKED @ UPPER EDGE AFT OF ENG SERVICE OIL ACCESS DOOR MKD DOT<[01] REMOVED 1EA DAMAGED SHIELD FROM NO-1 ENG I/B FAN COWL PER SRM 51-40-02;[02] VERIFIED STEP 1;[03] LOCATED AND DRILL 1E/A SHIEL <BR><BR><BR><BR><BR>LOCATED AND DRILL <BR><BR><BR> 1E/A <BR><BR><BR><BR><BR>LOCATED AND DRILL 1E/A NEW SHIELD PER SRM 51-40-05;[04] VERIFIED STEP 3<BR>OK TO INSTALL NEW SHIELD.;[05] REMOVED DAMAGED SHIELD .INSTALLED NEW SHIEL ON NO - 1 ENG I/B FAN COWL PER SRM 51-40-02;[06] VERIFIED STEP 5

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