SDR FDEA201004211274

Service difficulty report · Seal · Boeing 727227

Difficulty date: April 21, 2010
Submitted: April 23, 2010
Operation: Air carrier
Aircraft: N490FE
Make and model: Boeing 727227
Aircraft serial: 21493
Aircraft time: 43,108 hours, 28,562 cycles
System (JASC): 2150 · Cabin Cooling System
Part: Seal
Condition: Failed
Location: Acm
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

ALTITUDE WAS CLIMBING UNCONTROLLABLE CABIN WITH OUTFLOW VALVE CLOSED/DESCENDED TO FL190 IN ORDER TO MAINTAIN A CABIN ALTITUDE BELOW 100,000 FT. COMPLIED WITH QRH AND RAN PRESSURIZATION ON STBY AND MANUAL WITH NO CHANGE. R & R RUBBER SEAL JUST AFT OF THE ACM, IAW SMP. RESEALED AREA'S AROUND AFT LOWER MAIN CARGO DOOR, IAW SMP. OPS CHECK CABIN PRESSURE SYS IAW JRH CHPT, SECTION 8-47. ALL CHECKS GOOD.