Service difficulty report · Shutoff Valve · Boeing 757232

Difficulty date
December 21, 2021
Submitted
December 27, 2021
Operation
Air carrier
Aircraft
N649DL
Make and model
Boeing 757232
Aircraft serial
24389
Aircraft time
90,748 hours, 39,770 cycles
Engine
Pwa PW2037
Engine time
85,504 hours, 41,704 cycles
Part
Shutoff Valve
Condition
Faulted
Location
Rt Engine
Stage of operation
CL
How discovered
O
Nature of condition
B, J
Precautionary procedure
O

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

What was found

SHIP 649 IMMEDIATELY AFTER T/O GOT R ENG BLEED AND R PACK OFF MSGS AND LITES. DID QRH FOR RT BLEED OFF. BLEED MSGS RECURRED. NOTED ODOR FROM RT PACK PRIOR TO BLEED AND PACK ANOMALY. CORRECTIVE ACTION: PRESSURIZED PNEUMATICS W/ APU, RAN RT PACK FOR 30 MINS . NO ODOR AND ALL INDICATIONS NML. PERFORMED BITE TEST OF RT PACK TEMP CONT IAW B757 AMM 21-51. NO FAULTS FOUND. R/R PRSOV PERFORMED ENG RUN OPS CK PER B757 AMM 36-11. ALSO PERFORMED PNEUMATIC SYSTEM ENG RUN DATA CK R/R RT ENG HPSOV PER B757 AMM 36-11. OPS CK OF RT ENG HPSOV GOOD REF B757 AMM 36-11. (7776205)