SDR DALA2022021501008

Service difficulty report · None · Boeing 767332

Difficulty date: February 11, 2022
Submitted: February 16, 2022
Operation: Air carrier
Aircraft: N172DZ
Make and model: Boeing 767332
Aircraft serial: 29691
Aircraft time: 90,982 hours, 19,892 cycles
System (JASC): 2131 · Cabin Pressure Controller
Part: None
Condition: None
Stage of operation: CR
How discovered: O
Nature of condition: O
Precautionary procedure: B, I

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

What was found

SHIP 1702 -PRES- CABIN AUTO INOP EICAS MESSAGE AND ASSOCIATED LIGHT ILLUMINATED IN CRUISE. MAN PRESSURIZATION MODE SELECTED. DURING DECENT UNABLE TO CONTROL CABIN PRESSURE. EMERGENCY DESCENT COMPLETED. MASK DID NOT DEPLOY. CORRECTIVE ACTION: FOUND WATER SUPPLY LINE COUPLING TO AFT GALLEY LEAKING CAUSING ICE AROUND OUTFLOW VALVE. REPLACED OUTFLOW VALVE, ALL OPS NORMAL. (8207200)