What was found
ASSIGNED WO #2010108 T/C AD20222409-MULTI-21-2 CABIN ALTITUDE WARNING SWITCH S1153 TEST FAILED. GROUNDED - YES. REMOVED AND REPLACED CABIN ALTITUDE WARNING SWITCH S1153 IAW AMM 21-33-04. FUNCTIONAL TEST GOOD. NO DEFECTS AT THIS TIME.
- Difficulty date
- July 20, 2024
- Submitted
- July 22, 2024
- Operation
- Air carrier
- Aircraft
- N291BT
- Make and model
- Boeing 7379
- Aircraft serial
- 44088
- Aircraft time
- 11,429 hours, 3,229 cycles
- Engine
- Cfmint LEAP1B28
- System (JASC)
- 2130 · Cabin Pressure Control System
- Part
- Pressure Switch
- Part number
- 214C502
- Part serial
- AC04139A
- Condition
- No Test
- Location
- Cabin Altitude
- Part time
- 3,932 hours, 1,126 cycles
- 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.