SDR DALA2026010200036

Service difficulty report · Valve · Airbus BD5001A10

Difficulty date: January 1, 2026
Submitted: January 2, 2026
Operation: Air carrier
Aircraft: N136DQ
Make and model: Airbus BD5001A10
Aircraft serial: 50055
Aircraft time: 14,387 hours, 6,569 cycles
System (JASC): 2160 · Cabin Temperature Control System
Part: Valve
Condition: Faulted
Location: Zone 100
Stage of operation: IN
How discovered: V
Nature of condition: O
Precautionary procedure: K

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

What was found

AFTER ENGINE START, TRIM AIR WAS VERY HOT IN CKPT AND AFT DUCTS. 188+F IN CKPT, 184+F AFT. CYCLED TRIM AIR SWITCH AND FUNCTIONED NORMALLY. AT CRUISE, FA REPORTED SMELLING ELECTRICAL SMELL AT L1 DOOR. POSSIBLE SMELL AROUND 2L DOOR. ODOR MAY BE ASSOCIATED WITH THE TRIM AIR. REPLACED TRIM AIR PRESS. REG. VALVE (V48) PER A220 AMP 21-61. (LP 8061456)

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