What was found
SUPPORT TASK - ROW 38A O2 MASK AT FLOW LIMITER, FOUND STRESS CRACKS AT CENTER WELD OF LIMITER. PB 174080-193, REV C CUST 417T4205-193. MFG DATE 6-94 TO 8-94. REPLACED O2 MASK PER MM 35-21-05.
- Difficulty date
- November 15, 2010
- Submitted
- November 15, 2010
- Operation
- Air carrier
- Aircraft
- N12109
- Make and model
- Boeing 757224
- Aircraft serial
- 27299
- Aircraft time
- 62,079 hours, 16,156 cycles
- System (JASC)
- 3520 · Passenger Oxygen System
- Part
- Oxygen Mask
- Part number
- 417T4205193
- Condition
- Cracked
- Location
- Cabin
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.