Service difficulty report · Pressure Switch · Boeing 767306

Difficulty date
February 14, 2021
Submitted
February 18, 2021
Operation
Air carrier
Aircraft
N1409A
Make and model
Boeing 767306
Aircraft serial
27960
Aircraft time
94,225 hours, 18,508 cycles
Part
Pressure Switch
Part number
21SN4182
Part serial
Q0606
Condition
Faulted
Location
Rt Engine
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

RIGHT ENG PRV STATUS MSG.(T/S IAW FIM 36-10 FAULT TREE 847. SUSPECT PRESSURE SWITCH TO BE AT FAULT. REMOVED AND REPLACED PRV PRESSURE SWITCH IAW AMM 36-21-03. REF LOG PAGE 1253834 ITEM NR 8 FOR OPS CK 14FEB21 LOG PG 1253834 ITM 8 CVG: PERFORMED LEAK CHECK OF RT ENG BLEED OVER PRESS SWITCH. NO LEAKS NOTED IAW AMM 36-21-03. PERFORMED PRECAUTIONARY ENGINE RUN OF LT AND RT ENGINES IAW AMM 71-00-00. NO DEFECTS NOTED.)