Service difficulty report · Switchpack · Boeing 737990ER

Difficulty date
March 14, 2019
Submitted
March 19, 2019
Operation
Air carrier
Aircraft
N435AS
Make and model
Boeing 737990ER
Aircraft serial
43292
Aircraft time
21,667 hours, 7,091 cycles
Part
Switchpack
Part number
254A115012
Part serial
556
Condition
Failed
Location
Access Bay
Part time
1,310 hours, 585 cycles
Stage of operation
LD
How discovered
O
Nature of condition
J
Precautionary procedure
K

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

What was found

ENG. 2 REVERSER LIGHT REMAINED ILLUMINATED AFTER LANDING. GROUNDED - YES. REF FIM 78-32 TASK 807, RANG OUT S5 OF RT A/T SW PACK. FOUND TO BE BAD. REF AMM 76-11-07. REMOVED/REPLACED RT A/T SW PACK ASSY. ALL TEST GOOD. T/R OPS NML NUMEROUS TIMES REF AMM 78-31-00.