# SDR DHL2001712520

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 9, 2001
- Submitted: February 16, 2001
- Operation: Air carrier
- Aircraft: N712DH
- Make and model: Boeing 727-29
- Registry model: [Boeing 727-29](https://openairdocs.org/model/boeing-727-29) (OpenAirDocs)
- Aircraft serial: 19401
- Aircraft time: 51,673 hours, 32,168 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Pressure Panel
- Condition: Cracked
- Location: 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/DHL2001712520

## Discrepancy

C-CHECK, MLG WHEEL WELL TOP SURFACE SHOWS 6 CRACKS OF .75 INCH BETWEEN LBL 25 AND LBL 40, STA 900.000 AND STA 910.000.  REMOVED FLOOR PANELS, BRACKETS, CLIPS, STRAPS IAW DWG 65-89360-3.  PERFORMED STOP DRILL IAW DWG 65-89360.  FABRICATED DOUBLER (ALCLAD 2024, T3, 0.80 INCH; 53 INCH X 15 INCH) IAW SRM 51-10-2, PAGE 1 AND 2.  REINSTALLED FLOOR PANELS, BRACKETS, CLIPS, STRAPS IAW DWG 65-89360-3.  REFER TO J/C 7107.1 FOR OPS CHECK.  (NON-ROUTINE CARD 0413)

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