# SDR CALA2020041300827

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 10, 2020
- Submitted: April 13, 2020
- Operation: Air carrier
- Aircraft: [N14249](https://openairdocs.org/aircraft/N14249), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28809
- Aircraft time: 62,410 hours, 23,404 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Pressure Panel
- Part number: 111A1111
- Condition: Cracked
- Location: Lt Mlg Ww
- 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/CALA2020041300827

## Discrepancy

CRACK INDICATIONS FOUND AT LEFT CENTER WING REAR SPAR VERTICAL PRESSURE WEB:1)BETWEEN LBL 45.64 & LBL 40.00 (BETWEEN WL 200.6 & WL 192.0) CRACK LENGTH .0394" 2) BETWEEN LBL 40.00 AND LBL 31.83 (BETWEEN WL 200.6 & WL 192.0) CRACK LENGTH 1.181" REF. AAR N/R:90238392 GENERATED ACCOMPLISHED CATEGORY B REPAIR 3 ALTERNATIVE 2 AT VERTICAL PRESS AS PER B737-800 SRM 57-10-10 REPAIR 3 ALTERNATIVE 2 FIG 204 TABL E 202 (( FOR DETAILS SEE PARTIAL WORKS). REF. AAR N/R:90238392 URE WEB BETWEEN LBL 45.64 & LBL 40.00 (BETWEEN WL200.6 & WL192.0 INSPECTED WORK ACCOMPLISHED

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