# SDR FDEA202207291820

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 29, 2022
- Submitted: July 29, 2022
- Operation: Air carrier
- Aircraft: [N574FE](https://openairdocs.org/aircraft/N574FE), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48499
- Aircraft time: 94,149 hours, 22,243 cycles
- System (JASC): [5242 · Electrical/Electronic Compartment Doors](https://openairdocs.org/jasc/5242)
- Part: Seal
- Condition: Missing
- Location: E/E Bay Door
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA202207291820

## Discrepancy

DURING CLIMB OUT APPROX FL230 ACFT EXPERIENCED A LOUD POP WHICH SEEMED COME FROM BELOW COCKPIT IN E/E BAY.  A MOMENTARY CLIMB INDICATED IN CAVING RATE OF CLIMB TO 700 FPM THEN RETURNED TO 300 FPM. SOUND OF AIR RUSHING THROUGH COCKPIT  CONSTANT AFTER INITIAL POP.  A SECOND POP OCCURRED APPROX 5 MINS LATER AT FL 280. OPENING AVIONICS FLOOR ACCESS THERE WAS A DEFINITE INCREASE IN A NOISE.  NO SUCTION OR DIFFICULTY OPENING FLOOR ACCESS.  LVL 1 AVIONICS FAN OVERRIDE ON & AS LVL 1 CABIN INFLOW LOW. RETURNED TO MEM.  FOUND AVIONICS COMPARTMENT DOOR SEAL MISSING FORWARD SIDE. REPLACED SEAL IAW AMM 52-00-00-4.

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