# SDR ASMF201901016

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 28, 2018
- Submitted: January 22, 2019
- Operation: Air carrier
- Aircraft: [N784XA](https://openairdocs.org/aircraft/N784XA), registered now
- Make and model: Boeing 737752
- Aircraft serial: 33784
- Aircraft time: 51,495 hours, 25,913 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Door Seal
- Condition: Out Of Position
- Location: L1 Door
- Stage of operation: CL
- How discovered: O
- Nature of condition: E
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASMF201901016

## Discrepancy

AIRCRAFT RETURNED OF FLIGHT DUE TO DURING CLIMB, A STRONG NOISE IN L1 DOOR WAS DETECTED WITH VIBRATION AND IT WAS SHOWN MESSAGE “LNAV AND VNAV” MAINTENANCE PERSONNEL PERFORM INSPECTION IAW AMM 52-11-00, DETECTING THE SEAL DISARRANGED; SO THE DOOR SEAL WAS REPLACED IAW AMM 52-09-12-00-801; IT WAS PERFORMED PRESSURIZATION TEST  IAW AMM 56-12-11, ALL CORRECT.

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