# SDR QXEA2024032900086

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 28, 2024
- Submitted: March 29, 2024
- Operation: Air carrier
- Aircraft: [N652MK](https://openairdocs.org/aircraft/N652MK), registered now
- Make and model: Emb ERJ 170-200 LR
- Registry model: [EMB ERJ 170-200 LR](https://openairdocs.org/model/embraer-s-a-erj-170-200-lr) (OpenAirDocs)
- Aircraft serial: 17000929
- Aircraft time: 3,102 hours, 2,382 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Unknown
- Condition: Unknown
- Location: L1 Door
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QXEA2024032900086

## Discrepancy

FA'S REPORTED BANG IN CLIMB ON L1 DOOR WITH LOSS OF LIGHTS IN CABIN.  SECOND BANG WAS AT FL300 WITH NO LOSS OF LIGHTS.  CLARIFICATION: ON TAKE OFF DURING GEAR RETRACTION LIGHTS IN CABIN FLASHED ONCE FOLLOWED WITH BANG ON L1 DOOR.  A MINUTE LATER SECOND BANG.  3RD BANG HAPPENED IN CRUISE AT FL300.  NO PRESSUIZATION PROBLEMS NOTED. REMOVED FROM SERVICE. PRESSURIZED A/C REF E175 AMM 21-21-00-720-802-A.  NO ABNORMAL LEAKS OR NOISES NOTED.  PERFORMED PAX CABIN LIGHTS OPS TEST IAW E175 AMM 33-21-00-710-801-A.  OPS TEST GOOD. RETURNED TO SERVICE.

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