What was found
NR 3 PACK RAM AIR EXHAUST DOOR POSITION SWITCH ATTACH BRACKET WAS FOUND CORRODED. THE SWITCH ATT BRACKET WAS REPLACED IAW SRM 51-10-02, AND FASTENER INSTALLED IAW SRM 51-40-02.
- Difficulty date
- July 31, 2020
- Submitted
- August 4, 2020
- Operation
- Air carrier
- Aircraft
- N498MC
- Make and model
- Boeing 74747UF
- Aircraft serial
- 29259
- Aircraft time
- 86,454 hours, 13,625 cycles
- System (JASC)
- 5340 · Fuselage Main, Attach Fittings
- Part
- Attach Bracket
- Part number
- 69B406891
- Condition
- Corroded
- Location
- Switch
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.