# SDR CALA2020050200904

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 28, 2020
- Submitted: May 2, 2020
- Operation: Air carrier
- Aircraft: [N37290](https://openairdocs.org/aircraft/N37290), registered now
- Make and model: Boeing 737824
- Aircraft serial: 31601
- Aircraft time: 52,124 hours, 18,445 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Fitting
- Part number: 111A24011
- Condition: Cracked
- Location: Fuselage
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2020050200904

## Discrepancy

B737-53-3-0719 WING CENTER SECTION FRONT SPAR STA 540, UPPER ANGLE CRACKED AT RBL 6.01. REF BY PEMCO NR 2781N217. REMOVED AND REPLACED OVER WING BOX STA 540 RBL G.01 FITTING IAW B737-800 SRM 51-40-02. PERFORMED LEAK CHECK IAW B737-800 AMM 28-11-00. NO LEAKS NOTED AT TIME. F1904-4 CAL DUE 31 JAN 21. WRK PERFORMED.

---
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.
