What was found
DURING FIRE TEST, THE F/O'S MASTER FIRE WARNING LIGHT WILL NOT ILLUMINATE. FOUND FAULTY SWITCH. REPLACED F-O MASTER WARNING SWITCH. OPS CHECKED OK. ACFT OK FOR SERVICE.
- Difficulty date
- August 1, 2008
- Submitted
- August 12, 2008
- Operation
- Air carrier
- Aircraft
- N302UA
- Make and model
- Boeing 737322
- Aircraft serial
- 23643
- Aircraft time
- 61,396 hours, 36,428 cycles
- Engine
- Cfmint CFM563C1
- System (JASC)
- 2612 · Fire Detection
- Part
- Switch
- Part number
- W20168
- Condition
- Inoperative
- Location
- Fire Warning
- 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.