# SDR SWAA2022021672021

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 23, 2018
- Submitted: February 16, 2022
- Operation: Air carrier
- Aircraft: N720WN
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 27854
- Aircraft time: 70,154 hours, 41,631 cycles
- System (JASC): [5420 · Nacelle/Pylon Miscellaneous Structure](https://openairdocs.org/jasc/5420)
- Part: Panel
- Condition: Delaminated
- Location: Lh Pylon
- Stage of operation: UK
- 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/SWAA2022021672021

## Discrepancy

#1 ENGINE INBOARD PANEL 431 ER DAMAGED & DELAMINATED DELAMINATED APPROXIMATELY 5 LAYERS DAMAGE EXTENDS 8 1/2' FROM FWD EDGE TO AFT EDGE OF PANEL. 10 INCHES WIDE DIAGONALLY 3 1/4' WIDE & 6' WIDE FORMING ON 'L' SHAPE THRUST REVERSER SEAL JUST FORWARD OF PANEL HAS DAMAGED AND MISSING A SECTION / RPLED PANEL PER AMM 54-53-01 AND SEAL PER SIP

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