# SDR CALA2025040103397

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 28, 2025
- Submitted: April 2, 2025
- Operation: Air carrier
- Aircraft: [N14231](https://openairdocs.org/aircraft/N14231), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28795
- Aircraft time: 79,064 hours, 29,380 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Part number: 112A4102207
- Condition: Cracked
- Location: Zone 500
- 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/CALA2025040103397

## Discrepancy

LEFT WING OUTBOARD LOWER SKIN PANEL CRACK WSTA 564.5 & 591.5 AT STR. L-9 INTERIM REPAIR. INSTALLED REPAIR AT LEFT WING O/B LOWER SKIN PANEL BETWEEN WSTA 564.5 AND 591.5 AT STR L-9 REF.AAR ESR-WI 5-11609 REV. IR AND UNITED EC/RA 5725-01158, THIS IS AN ITERIM REPAIR INITIATE A NEW DIP LOGPAGE TO READ AS FOLLOWS: AFTER AUGUST 4,2026 BUT BEFORE SEPTEMBER 4,2026, PERFORM AN INSPECTION OF THE XTERNAL DOUBLER/TRIPLER INTERIM REPAIR INSTALLED ON THE LEFT WING OUTBOARD LOWER SKIN PANEL BETWEEN WSTA 564.5 AND 591.5 AT STR L-9 ON AIRCRAFT N14231 IN ACCORDANCE WITH PART 2 OF THE LATEST REVISION OF EC/RA 5725-01158. ESFR ENTERED. LOG PAGE REVIEWED. ESFR REVIEWED . ITEM PLACED ON DIP STATUS IAW ECRA 5752-01158, PERFORM AN INSPECTION OF THE EXTERNAL DOUBLER/TRIPLER INTERIM REPAIR INSTALLED ON THE LEFT WING OUTBOARD LOWER SKIN PANEL BETWEEN WSTA 564.5 & 591.5 AT STR L-9 ON AIRCRAFT N14231 IN ACCORDANCE WITH PART 2 OF THE LATEST REVISION OF ECRA 5725-01158.AFTER AUGUST 4, 2026, BUT BEFORE SEPTEMBER 4, 2026.

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