# SDR SWAA2023080778611

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 14, 2023
- Submitted: August 7, 2023
- Operation: Air carrier
- Aircraft: N415WN
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29836
- Aircraft time: 71,392 hours, 42,326 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Angle
- Part number: UNKNOWN
- 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/SWAA2023080778611

## Discrepancy

B.S. 663 LOWER COMPOSITE BULKHEAD UPPER ATTACH ANGLE IS CRACKED AT L.B.L. 10; W.L. 164.<[01] REMOVED BS663 UPPER ATTACH ANGLE IAW SRM 51-40-02;[02] UPDATE STEPS 2 AND 3.;[03] COMPLETED STEPS 1 AND 3.... OK TO INTALL LH BS 663 UPPER ATTACH ANGLE;[04] VERIFIED STEPS 1;2;3; IN PARTIAL OK TO INSTALL GIVEN.;[05] VERIFIED STEPS 1;3 COMPLETE.;[06] UPDATE STEP 4.;[07] VERIFY JOB COMPLETED;[08] VERIFIED COMPLETE AND MEASUREMENT TABLE

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