# SDR CALA2026061517108

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 11, 2026
- Submitted: June 15, 2026
- Operation: Air carrier
- Aircraft: [N37540](https://openairdocs.org/aircraft/N37540), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 64471
- Aircraft time: 13,098 hours, 4,300 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Ground Damage
- Location: Zone 100
- 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/CALA2026061517108

## Discrepancy

LAV SERVICE VEHICLE HIT AFT LOWER FUSELAGE.DAMAGE AT APPROX. STA 747.5 BY STRINGER S-20L. DAMAGED MEASURED 2.5 INCHES IN LENGTH AND WIDTH IS 8 INCHES. PERFORMED ECRA 5330-07773, LH FUSELAGE SKIN PUNCTURE AT STA 747 & S-20L. NO FURTHER DAMAGE FOUND WITHIN THE 12 INCH ON UNDERLYING OF STRUTURE. APPLIED 2 LAYERS OF SPEED TAPE OVER FUSELAGE SKIN PUNCTURE.     FOR PREPARATION FOR THE 1 FLT CYCLE UNPRESURIZED MAINTENANCE.  APPLIED EWIS PROTECTION TO INTERIOR SURFACE AT AREA OF DAMAGE/REPAIR REF AMM 20-60-07. UNLOCK. STRIPPED PAINT AROUND DAMAGE AREA IAW AMM 51-21-11. REMOVED FASTENERS AND CUT OUT DAMAGE REF SRM 53-00-01-2R-36 C/W STEPS 4. A, B, C & D. HFEC REQUIRED ON CUT OUT AND FASTENER HOLES. PERFORMED HFEC INSP OF CUT EDGE PER NDT PT6, 51-00-00 PROC 23, HFEC INSP OF COUNTERSINK AND FASTENER HOLES PER 737 NDT PT6, 53-30-00 PROC 3 AND 737 NDT PT6 51-00-00 PROC 16.  NO CRACK INDICATIONS NOTED. PERFORMED INSURANCE CUT REF SRM 53-00-01-2R-36 C/W STEPS F & G UPDATE FOR INSPECTION TO VERIFY .040" INSURANCE CUT PER STEP F AND VISUAL INSPECTION PER STEP G OF SRM 53-00-01-2R-36. INSPECTED 0.040" INSURANCE CUT PER STEP F AND VISUAL INSPECTION PER STEP G OF SRM 53-00-01-2R-36, GOOD.  FABRICATED STRUCTURAL FILLER IAW SRM 53-00-01-2R-36 AND AVO17684..

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