# SDR CALA2023031300711

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 11, 2023
- Submitted: March 13, 2023
- Operation: Air carrier
- Aircraft: [N25705](https://openairdocs.org/aircraft/N25705), registered now
- Make and model: Boeing 737*
- Aircraft serial: 28766
- Aircraft time: 77,491 hours, 27,915 cycles
- System (JASC): [5700 · Wing Structure](https://openairdocs.org/jasc/5700)
- Part: Web
- Part number: 111A2101
- Condition: Cracked
- Location: Rt W/W
- 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/CALA2023031300711

## Discrepancy

INSTALL PERMANENT REPAIR AT RT W/W VERTICAL PRESSURE DECK WEB CRACKED BETWEEN RBL 40.0 AND RBL 45.61 REF LP 8609260 REF AAR N/R 974811 INTERVALS HFEC AND LFEC INSP PER B737 SRM 57-10-10-2R-3 STEP 7.B WORK ACCOMPLISHED BY V894534 ACCOMPLISHED VERTICAL PRESSURE DECK WEB REPAIR AT RT SIDE FROM RBL 25 TO RBL48 STA 663 REF B737 SRM 57-10-10-2R-3 FIG 204 DETAIL A-A AND B-B CAT B REPAIR INSP REQUIREMENTS INITAL THRESHOLD AT 56,000 TFC AFTER REPAIR INSTALLED AND 36,000 TFC N/R 974811 CATEGORY B REPAIR INSP REQUIREMENTS INIATE A DIP TO AFTER REPAIR INSTALLATION AND 36,000 FC INTERVALS  HFEC & RE-INSPECT AT INITIAL THRESHOLD IN 56,000 FLIGHT CYCLES LFEC PER SRM 57-10-10-2R-3  STEP 7.B INSTALL PERMANENT REPAIR AT RT W/W VERTICAL PRESSURE DECK WEB CRACKED BETWEEN RBL 40.0 AND RBL 45.61 REF LP 8609260 REF AAR

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