# SDR CALA2026011613011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 12, 2026
- Submitted: January 16, 2026
- Operation: Air carrier
- Aircraft: [N87513](https://openairdocs.org/aircraft/N87513), registered now
- Make and model: Boeing 737824
- Aircraft serial: 31621
- Aircraft time: 55,325 hours, 19,887 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Damaged
- Location: Zone 200
- 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/CALA2026011613011

## Discrepancy

POSSIBLE LIGHTING STRIKE ON EXT FUSE FASTENER AT STA 243.7, 10" BELOW STRINGER 16RREMOVED EXISTING FASTENERS COMMON TO REPAIR DOUBLER.  ACCOMPLISHED INSP IAW SRM 53-10-01-2R-8 REPAIR STEPS 4.H.(3) AND (4).   REMOVED FASTNER HOLES & COUNTERSINKS IAW SRM 53-10-01-2R-8 REPAIR STEPS 4.H.(3) AND (4) IAW NDT PART 6 51-00-00 PROC 16 AND PROC. 4.    CUT OUT DAMAGE, BS 243.7, 10 INCHES BELOW S16R.   PERFORMED SRM 53-10-01 2R8 PARA 4 STEP F-2.  REFER TO 737 NDT PART 6, 51-00-00.  PROCEDURE 23 OR PROCEDURE 4. ACCOMPLISHED HFEC OF CUT OUT, REF NTM PT6 51-00-00 PROC 23.  NO DEFECTS ACCOMPLISHED .040 INCH INSURANCE CUT IAW SRM 53-10-01-2R-8 STEP F2,  PERFORMED A DETAILED INSPECTION OF SKIN AND STRUCTURE IAW SRM 53-10-01-2R-8, STEP H1-4,  ACP RII OF INSTALLED REPAIR WITH FASTENERS IAW SRM 53-10-01-2R-8 STEP R.  REPAIR IAW SHEET 1, AND GMM 9-25-05.  OK TO CONTINUE.

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