- Difficulty date
- March 22, 2011
- Submitted
- March 23, 2011
- Operation
- Air carrier
- Aircraft
- N779NC
- Make and model
- Doug DC951
- Aircraft serial
- 48101
- Aircraft time
- 71,333 hours, 5,321 cycles
- Part
- Diaphragm
- Condition
- Damaged
- Location
- Fuselage
- 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.
What was found
MAIN CABIN - FASTENER HOLE IN DIAPHRAGM TORN STA 172 RBL 44. REMOVED DAMAGE IN 3 EA PLACES .400" IN DIAMETER IAW DC9 SRM 53-01. HFEC INSP IAW NDT SPM 06-10-01.001. NO CRACKS NOTED. FABBED DOUBLER 7075-T6 IAW DC-9 SRM 53-13-1 FIG 11. TREATED & PRIMED DOUBLER IAW DC-9 SRM 51-10-3. INSTALLED DOUBLER ID TAG IAW DC-9 SRM 51-30-2 & DPS 900-5-1.