- Difficulty date
- November 15, 2021
- Submitted
- November 17, 2021
- Operation
- Air carrier
- Make and model
- Boeing 7377H4
- Aircraft serial
- 32471
- Aircraft time
- 56,379 hours, 33,443 cycles
- Part
- Filter
- Condition
- Failed
- Location
- Hyd System
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- K
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HYD 'B' SYSTEM FAILURE; B QTY READS 0 ; / [01] FOUND FLAP FLOW LIMITER FITTING CRACKED; REMOVED & REPLACED FLAP FLOW LIMITER IAW AMM 27-51-67. REMOVED & REPLACED EDP & EMP CASE DRAIN FILTERS IAW AMM 29-11-51. NO CONTAMINATION FOUND. SERVICED B SYS IAW AMM 12-12-00. OPS AND LEAK CHECK GOOD.