Service difficulty report · Doubler · Boeing 7377H4

Difficulty date
April 19, 2019
Submitted
March 7, 2022
Operation
Air carrier
Aircraft
N435WN
Make and model
Boeing 7377H4
Aircraft serial
32455
Aircraft time
55,870 hours, 32,984 cycles
Part
Doubler
Condition
Corroded
Location
Lower Ext Fusela
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.

What was found

FWD PIT; BETWEEN STA 500 & 500A; BL0; ANTENNA SUPPORT DOUBLER; EXFOLIATED. / REMOVED CORROSION ON SKIN AT STA 600+10' ORIGINAL 'T' .063' REMAIN .062; LOSS .001 IS WITHIN LIMITS IAW B737-70 SRM 53-00-01-1A-5 REMOVED CORROSION ON SUPPORT DOUBLER IAW SRM 57-10-02-0G-0; 100% LOSS OUT OF LIMITS IAW 53-00-01-1A-5 REMOVED AND INSTALLED ANTENNA SUPPORT DOUBLER AND BLANKING PLATE IAW B737-700 SRM 51-40-02-0G-0; AIPC 53-42-00-24 AND SOPM 20-50-01. ATAG WN2308

More about the Boeing 737-7H4