What was found
WHILE ACCOMPLISHING HORIZ STAB TRIM LUBE T/C 78327000 NOTICED THE APU INLET DOOR POSITION SENSOR LOOSE. GROUNDED-YES. REINSTALLED APU INLET DOOR POS SWITCH, REF B737-900 AMM 49-15-41. APU OPERATIONS NORMAL.
- Difficulty date
- October 16, 2020
- Submitted
- October 19, 2020
- Operation
- Air carrier
- Aircraft
- N461AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36363
- Aircraft time
- 25,124 hours, 8,013 cycles
- System (JASC)
- 5270 · Door Warning System
- Part
- Position Switch
- Part number
- 2EN19RB
- Condition
- Loose
- Location
- Apu Door
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.