SDR FDEA202508041366

Service difficulty report · Oxygen Bottle · Boeing 777F

Difficulty date: August 4, 2025
Submitted: August 5, 2025
Operation: Air carrier
Aircraft: N849FD
Make and model: Boeing 777F
Aircraft serial: 66259
Aircraft time: 10,560 hours, 1,943 cycles
System (JASC): 3530 · Portable Oxygen System
Part: Oxygen Bottle
Condition: Overserviced
Location: Zone 200
Stage of operation: IN
How discovered: V
Nature of condition: W
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

WALK AROUND OXYGEN BOTTLE IN CLOSET ON FLIGHT DECK OVER PRESSURIZED. NEEDLE OVER RED BAND. AMM: 35-30-00-2 DUE TO WARM TEMPERATURE IN CDG, PORTABLE O2 CYLINDER PX CAN BE READ AT THE CORRECT SERVICEABLE BAND, ACUTALLY 82 *F, CORRECTION CHART APPROVED SERVICE AND CONSIDERED PRESSURE AT 1800 PSI.

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