What was found
SUPERNUMERARY O2 PRESSURE INDICATION BETWEEN EICAS AND O2 GAUGE OUT OF LIMITS. REMOVED AND REPLACED REGULATOR/TRANSDUCER, IAW AMM 35-11-04. OPERATIONS CHECKS NORM AT THIS TIME.
- Difficulty date
- January 27, 2021
- Submitted
- January 29, 2021
- Operation
- Air carrier
- Aircraft
- N1093A
- Make and model
- Boeing 76736N
- Aircraft serial
- 30111
- Aircraft time
- 83,142 hours, 12,254 cycles
- System (JASC)
- 3510 · Crew Oxygen System
- Part
- Regulator
- Part number
- 80312701
- Part serial
- 4351
- Condition
- Failed
- Location
- Oxygen Sys
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.