Service difficulty report · Regulator · Boeing 737890

Difficulty date
September 30, 2011
Submitted
October 3, 2011
Operation
Air carrier
Aircraft
N568AS
Make and model
Boeing 737890
Aircraft serial
35183
Aircraft time
17,887 hours, 5,727 cycles
Part
Regulator
Part number
1074926
Part serial
9033
Condition
Malfunctioned
Location
Bleed Air Sys
Part time
22,762 hours, 7,696 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

ON CLIMBOUT RIGHT BLEED TRIP LIGHT ILLUMINATED AT APPROX 6000FT. QRH FOLOWED. BLEED TRIP WOULD NOT RESET. DIVERSION TIME: 18 MINUTES. FOUND 5TH STAGE BLEED AIR DUCT UNCOUPLED FROM ENGINE CASE. REPLACED BLEED AIR REG. REF MM 36 11 03 000 801. REPLACED HIGH STAGE REG. REF. MM 36 11 07 000 801. REPLACED NR 2 ENG LEFT T/R LOWER INSULATION BLANKET REF MM 78 31 13 000 806 FOO AND 78 31 13 400 806 FOO. REPLACED MELTED PLASTIC THRUST LINK WASHER ON NR 2 ENG. LEFT SIDE. REF MM 71 21 02 400 801 FOO. RECOUPLED 5TH STAGE DUCT TO ENG CASE REF MM 36 11 02 000 801. LEAK CHECK OK. PERFORMED BIT CHECK (CDU) FOR NR 2 ENG ACTUATORS. NO FAULTS NOTED.