# SDR CALA2023032000804

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 19, 2023
- Submitted: March 20, 2023
- Operation: Air carrier
- Aircraft: [N16732](https://openairdocs.org/aircraft/N16732), registered now
- Make and model: Boeing 737*
- Aircraft serial: 28948
- Aircraft time: 73,705 hours, 26,652 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Window Frame
- Part number: 141A8800
- Condition: Cracked
- Location: Lh Window
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2023032000804

## Discrepancy

AFTER HFEC INSPECTION AT THE LH WINDOW FRAME AT THE UPPER AFT CORNER AND INNER CORNER RADIUS FOUND TO BE CRACK PER EA 5310-04554 REV B STEP 9.1 STEP 9.2 (REF. AAR NR 99963956). ALL WORK PERFORMED IAW EA 5310-04554 REV B OP 003, NDT PERFORMED NO CRACKS IAW 737 PT 6 51-00-00 PROC. 23 (WORK ACCOMPLISHED BY V931928 AND AAR QC A-77 V923046) SFR# 1031679

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.