SDR DL73K000529

Service difficulty report · Valve · Boeing 737232

Difficulty date: March 17, 2000
Submitted: April 14, 2000
Operation: Air carrier
Aircraft: N319DL
Make and model: Boeing 737232
Aircraft serial: 23091
Aircraft time: 44,708 hours, 35,634 cycles
System (JASC): 2130 · Cabin Pressure Control System
Part: Valve
Condition: Malfunctioned
Location: E/E Bay
Component: Equip Cool Valve · 56697
Stage of operation: CL
How discovered: O
Nature of condition: O
Precautionary procedure: A

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

What was found

AIRCRAFT FAILED TO PRESSURIZE AFTER T/O FROM PBI. OUTFLOW VLVS INDICATED FULL CLOSED. F/A REPORTED THERE WAS LOUD WIND NOISE AROUND L1 DOOR. DOOR INDICATED CLOSED AND LOCKED. DIVERTED TO MCO. PRESSURIZED AC TO 7 PSID. CHECKED ALL DOOR SEALS- CABIN, CARGO AND EQUIP DOORS. ALL CHECK OK. FOUND EQUIP COOLING EXH VLV STICKING OPEN (SLOW TO CLOSE). REPLACED EQUIP COOL EXH VLV. REPRESSURIZED AC TO 6.5 PSID. ALSO PERF PRESS CK PER MM, ALL CKS GOOD.