SDR 2020FA0000366

Service difficulty report · Bleed Air Sys · Cessna 560XL

Difficulty date: August 9, 2020
Submitted: August 9, 2020
Operation: General aviation
Aircraft: N142AA
Make and model: Cessna 560XL
Aircraft serial: 5605281
Aircraft time: 2,934 hours, 1,719 cycles
System (JASC): 3610 · Pneumatic Distribution System
Part: Bleed Air Sys
Condition: Unknown
Stage of operation: CL
How discovered: O
Nature of condition: J
Precautionary procedure: A

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

What was found

AIRCRAFT RETURNED FROM FLIGHT DUE DURING CLIMB AT FL 24,400’, CREW HEARD A BANG SOUND COMING FROM THE AFT OF THE AIRCRAFT (ALONG WITH NO BLEED AIR), WITH A CABIN PRESS LEAK RATE OF 400 FT/MIN. AT FL 10,000’, NO BLEED AIR FROM LH & RH ENGINE AND APU. AT FL 3,000’, BLEED AIR IS ON/OFF INTERMITTENTLY. AT FL 2,000’, BLEED AIR NORMAL.

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