Service difficulty report · Pressure Blkhd · Boeing 7377H4

Difficulty date
September 29, 2020
Submitted
October 8, 2020
Operation
Air carrier
Aircraft
N731SA
Make and model
Boeing 7377H4
Aircraft serial
27863
Aircraft time
73,579 hours, 43,395 cycles
Part
Pressure Blkhd
Condition
Cracked
Location
Bs 1016
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

AFT PRESSURE BULKHEAD WEB SKIN HAS A CRACK INDICATION RADIATING TOWARD THE CENTER OF THE APB AT THE MOST CENTERED FASTENER COMMON TO THE RADIAL STIFFENER ALIGNED WITH STRINGER 22L. FOUND DURING HFEC INSPECTION OF NDT PART 6; 53-10-64, PER TASK CARD 5311-I-11681. APB WEB CRACK HAS BEEN REPAIRED, AS PER EA 20-153-01881 REF SA-M 326 - A1131890.

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