# SDR SWAA2023031301349

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 9, 2023
- Submitted: March 13, 2023
- Operation: Air carrier
- Aircraft: [N277WN](https://openairdocs.org/aircraft/N277WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32531
- Aircraft time: 51,901 hours, 31,206 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Shield
- Condition: Cracked
- Location: Zn 100 Fus Lower
- 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/SWAA2023031301349

## Discrepancy

FWD CARGO DOOR CUTOUT FWD SHIELD CRACKED AT STA 420+5' RBL 22'<[01] RECEIVED NEW FWD SHIELD P/N:143A8126-21; LOCATED AND DRILLED AND TREATED AND PRIMED NEW HOLES PER REF SRM 51-40-05; AMM 51-21-72-370-804 AND AMM 51-21-72-370-804.;[02] RECEIVED NEW FWD SHIELD P/N:143A8126-21; LOCATED AND DRILLED AND TREATED AND PRIMED NEW HOLES PER REF SRM 51-40-05; AMM 51-21-72-370-804 AND AMM 51-21-72-370-804.INSTALLATION WILL BE ACCOMPLISH ON JOB CARD #TTG8Q004AMC9.;[03] CORRECTION STEP #1 AND #2; RECEIVED NEW FWD SHIELD P/N:143A8126-21; LOCATED AND DRILLED AND TREATED AND PRIMED NEW HOLES PER REF SRM 51-40-05; AMM 51-21-72-370-804 AND AMM 51-21-72-370-804.INSTALLATION WILL BE ACCOMPLISH ON JOB CARD #TTG8Q004AMC9.;[04] VERIFIED STEP 3

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