What was found
DURING FIRE TEST IN NORMAL, NR 1 TEE HANDLE DOES NOT ILLUMINATE AS WELL AS NR1 ENGINE OVERHEAT. ACFT GROUNDED. COULD NOT DUPLICATE. REPLACED UPPER FAN, LWR FAN, & LT CORE FIRE DETECTOR LOOP ASSY REF MM26-11-01. OPS CK NORMAL.
- Difficulty date
- May 30, 2013
- Submitted
- June 3, 2013
- Operation
- Air carrier
- Aircraft
- N413AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 35205
- Aircraft time
- 651 hours, 213 cycles
- System (JASC)
- 2612 · Fire Detection
- Part
- Unknown
- Condition
- Malfunctioned
- Location
- Fire Detection
- Stage of operation
- TX
- 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.