# SDR SWAA2022032285100

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 18, 2022
- Submitted: March 22, 2022
- Operation: Air carrier
- Aircraft: [N8537Z](https://openairdocs.org/aircraft/N8537Z), registered now
- Make and model: Boeing 737-800
- Registry model: [Boeing 737-800](https://openairdocs.org/model/boeing-737-800) (OpenAirDocs)
- Aircraft serial: 63595
- Aircraft time: 15,850 hours, 7,501 cycles
- System (JASC): [5742 · Wing, Nacelle/Pylon Attach Fittings](https://openairdocs.org/jasc/5742)
- Part: Bulkhead
- Condition: Cracked
- Location: Lh Eng
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2022032285100

## Discrepancy

#1 ENGINE PYLON HAS A CRACK IN THE AFT BULKHEAD AT APPROXIMATE NACELLE STATION 314.0. CRACK IS 2.75' LONG; PROPAGATES INTO A RADIUS; AND EXITS OUT THE BOTTOM EDGE OF THE BULKHEAD FRAME. / [01] CRACK CONFIRMED WITH HFEC INSPECTION USING NDT MANUAL PART 6; 51-00-00; PROCEDURE 23.;[02] REMOVED #1 ENGINE AFT FAIRING REF AMM 54-52-04<BR>REMOVED #1 ENGINE PROMARY NOZZLE REF AMM 78-11-01<BR>TO FOM;[03] REMOVED AFT HEAT SHIELD REF AMM 54-52-08 TO FOM.<BR>REMOVED CRACKED AFT FAIRING TRAILING EDGE ASSY REF SRM 51-40-02.;[04] INSTALLED AFT HEAT SHIELD REF AMM 54-52-08<BR>INSTALLED AFT FAIRING TRAILING EDGE ASSY REF SRM 51-40-02.;[05] INSTALLED #1 ENGINE AFT FAIRING REF AMM 54-52-04.<BR>INSTALLED #1 ENGINE PROMARY NOZZLE REF AMM 78-11-01.

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