Service difficulty report · Regulator · Boeing 737890

Difficulty date
October 27, 2010
Submitted
November 2, 2010
Operation
Air carrier
Aircraft
N517AS
Make and model
Boeing 737890
Aircraft serial
35197
Aircraft time
6,759 hours, 2,075 cycles
Part
Regulator
Part number
1074847
Part serial
9121
Condition
Faulty
Location
Bleed Air Sys
Part time
11,791 hours, 571 cycles
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

RIGHT SIDE "BLEED TRIP OFF" LIGHT ILLUMINATED ON DEPARTURE. RAN QRH PROCEDURE INDICATION RETURNED. DIVERSION TIME 12 MINUTES. PERFORMED FIM TASK STEP G (3) OF MM 36 10 00 AND ENGINE BLEED AIR SYSTEM HEALTH CHECK REF MM 36 11 00 STEP I HI STAGE REGULATOR FAILED REVERSE FLOW CHECK PROTECTION TEST REPLACED NR 2 ENG HIGH STAGE REGULATOR PER AMM 36 11 07 000 801.