What was found
DURING TEST ON JOB8-8401 FIRE EXT BOTTLE SQUIB CHECK, ON STEP 12 TEST2 ENG 4 SQUIB LIGHT DID NOT COME ON. REPLACED NR 4, SYS 'B' SQUIB PER MM.
- Difficulty date
- November 9, 2011
- Submitted
- November 30, 2011
- Operation
- Air carrier
- Aircraft
- N122UA
- Make and model
- Boeing 747422
- Aircraft serial
- 29168
- Aircraft time
- 51,302 hours, 6,107 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 2621 · Fire Bottle, Fixed
- Part
- Squib
- Condition
- Faulty
- Location
- Nr 4 Engine
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.