# SDR CALA2020052200975

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 19, 2020
- Submitted: May 22, 2020
- Operation: Air carrier
- Aircraft: [N77865](https://openairdocs.org/aircraft/N77865), registered now
- Make and model: Boeing 757-33N
- Registry model: [Boeing 757-33N](https://openairdocs.org/model/boeing-757-33n) (OpenAirDocs)
- Aircraft serial: 32589
- Aircraft time: 58,804 hours, 17,097 cycles
- System (JASC): [5414 · Nacelle/Pylon, Plate/Skin](https://openairdocs.org/jasc/5414)
- Part: Skin
- Part number: 112N310215
- Condition: Cracked
- Location: Nr 1 Pylon
- 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/CALA2020052200975

## Discrepancy

DURING NDT HFEC ROTO INSPECTION OF #1 PYLON UPPER DRAG FITTING IAW NDTM PART 6, 51-00-16 CRACK INDICATIONS WERE FOUND AT HOLE #10 - CRACK POSITION :- 4:0''CLOCK; CRACK DEPTH :-0.340"; CRACK SIZE :- 0.040" REF AAR NR 9606672 REPAIRED HOLE #10 PER ECRA 5720-02190A AT #1 PYLON UPPER DRAG FITTING.INITIATE A DTA DIP LOGPAGE TO READ AS FOLLOWS: ON OR BEFORE MAY 4 ,2022 OR THE ACCUMULATION OF 19,197 TOTAL AIRCRAFT FLIGHT CYCLES, WHICHEVER COME FIRST, ACCOMPLISH A ADD EMP:V901512 OF ECRA 5720-03190.PLANNING TO CONTACT ENGINEERING AFTER MARCH 4, 2022 OR ACCUMULATION OF 18,997 TOTAL AIRCRAFT FLIGHT CYCLES BUT BEFORE APRIL 4,2022 OR THE ACCUMULATION OF 19,097 TOTAL PERMANENT REPAIR PER PART 3 OF THE LATEST REVISION AIRCRAFT FLIGHT CYCLES FOR THE PERMANENT REPAIR INSTRUCTIONS

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