Service difficulty report · Web · Boeing 7378H4

Difficulty date
February 28, 2021
Submitted
March 4, 2021
Operation
Air carrier
Aircraft
N8321D
Make and model
Boeing 7378H4
Aircraft serial
36687
Aircraft time
28,237 hours, 12,665 cycles
Part
Web
Condition
Cracked
Location
R/H Mlg W/W
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

RIGHT MAIN WHEEL WELL CENTER WING REAR SPAR VAPOR WEB HAS A 6 INCH CRACK THE CRACK IS LOCATED AT RBL 36; FWD OF THE 'B' SYSTEM RETURN FILTERAPPLIED INTERIM SEAL ALUMINUM FOIL TAPE ON WHEEL WELL SIDE OF WEB ONLY PER EA 20-157-00591AND SRM 57-10-10-1A-2. DO A VISUAL INSPECTION OF THE REPAIR AREA AT 1200 FLIGHT CYCLE INTERVALS OR MORE FREQUENTLY MAKE SURE THE CRACK HAS NOT GROWN PAST THE INTERIM SEAL IF CRACK HAS GROWN PAST THE INTERIM SEAL REFER TO PARAGRAPH 4 ALLOABLE DAMAGE 2.REPETITIVE ACTION REQUIRED: DO A VISUAL INSPECTION OF THE REPAIR AREA AT 1200 FLIGHT CYCLE INTERVALS OR MORE FREQUENTLY. MAKE SURE THE CRACK HAS NOT GROWN PAST THE INTERIM SEAL. IF CRACK HAS GROWN PAST THE INTERIM SEAL REFER TO PARAGRAPH 4. ALLOWABLE DAMAGE 2 /

More about the Boeing 737-8H4