Service difficulty report · Bulkhead Web · Boeing 7378H4

Difficulty date
October 7, 2020
Submitted
October 12, 2020
Operation
Air carrier
Aircraft
N8607M
Make and model
Boeing 7378H4
Aircraft serial
36634
Aircraft time
27,578 hours, 11,994 cycles
Part
Bulkhead Web
Condition
Cracked
Location
Bs 663
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

LT MLG WHEEL WELL BULKHEAD VAPOR BARRIER CRACKED 14 INCHES LONG STARTING AT LBL 30, 3 IN FROM TOP TO LBL 34. PERFORMED INTERIM REPAIR TO LT MLG WHEEL WELL FWD BULKHEAD VAPOR BARRIER CRACK, PER SRM 57-10-10-1A-2 & 20-157-00471. PERFORM INSPECTION OF REPAIR AREA AT 1200 FLT CYCLE INTERVALS OR MORE FREQUENTLY. IF CRACK HAS GROWN PAST THE INTERIM SEAL, REF TO PARAGRAPH 4. ALLOWABLE DAMAGE 2 FOR ALLOWABLE DAMAGE LIMITS. REPETITIVE ACTION REQUIRED: PERFORM INSPECTION OF REPAIR AREA AT 1200 FLT CYCLES INTERVALS OR MORE FREQUENTLY. IF CRACK HAS GROWN PAST THE INTERIM REPAIR, REF TO PARAGRAPH 4. ALLOWABLE DAMAGE 2 FOR ALLOWABLE LIMITS.

More about the Boeing 737-8H4