Service difficulty report · Modulating Valve · Boeing 7379
FAA SDR system
- Difficulty date
- October 8, 2023
- Submitted
- October 10, 2023
- Operation
- Air carrier
- Make and model
- Boeing 7379
- Aircraft serial
- 44103
- Aircraft time
- 3,777 hours, 1,080 cycles
- Part
- Modulating Valve
- Part number
- 632920703
- Part serial
- 3097
- Condition
- Faulty
- Location
- #2 Engine
- Part time
- 3,760 hours, 1,076 cycles
- Stage of operation
- NR
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAINT LIGHT ILLUMINATED ON OVERHEAD PANEL. GROUNDED - YES. FOUD FAMV(R) STATUS MESSAGE. FAULT 36-12021 ACTIVE. ACCOMPLISHED LRU REPLACEMENT TEST REF AMM 36-12-00. FAILED. JROBERTS 38885. REMOVED & REPLACED ENGINE 2 FAN AIR MODULATING VALVE WITH NEW REF AMM 36-12-03. PERFORMED PNEUMATIC ENGINE ON-SYSTEM TEST REF AMM 36-00-00-730-801. ALL TESTS PASSED, OPS CHECK NORMAL. OVERHEAD MAINT LIGHT EXTINGUISHED.