What was found
NR 1 APU FIRE EXTINGUISHER SQUIB TEST INOPERATIVE BUT NR 2 TESTED OK. VERIFIED THAT THE FAILURE IS IN THE LIGHT CIRCUIT. SQUIB NR 2 TESTED OK IAW MEL.
- Difficulty date
- October 23, 2013
- Submitted
- October 25, 2013
- Operation
- Air carrier
- Aircraft
- N127UA
- Make and model
- Boeing 747422
- Aircraft serial
- 28813
- Aircraft time
- 56,347 hours, 6,544 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 2620 · Extinguishing System
- Part
- Unknown
- Condition
- Malfunctioned
- Location
- Extinguish Sys
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.