- Difficulty date
- December 9, 2018
- Submitted
- December 13, 2018
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41735
- Aircraft time
- 17,790 hours, 5,894 cycles
- Part
- Fseu
- Part number
- 285A12002
- Part serial
- D02641
- Condition
- Failed
- Location
- E&E Bay
- Part time
- 43,365 hours, 12,666 cycles
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- B
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB THROUGH FL320 NR 1 LE TRANSIT LIGHT ILLUMINATED. GROUNDED - YES. FOUND FSEU INTERNAL FAIL. PERFORMED ALTERNATE DEACTIVATION IAW CHAP 5 TABLE 3 ITEM 1. REMOVED FSEU IAW AMM 27-51-01-000-801. REPLACED FSEU IAW AMM 27-51-01-400-801. OPS CHECKS GOOD. ALTERNATE DEACTIVATION REVERSED.