Service difficulty report · Pressure Deck · Boeing 7377BD

Difficulty date
September 14, 2023
Submitted
October 19, 2023
Operation
Air carrier
Aircraft
N7720F
Make and model
Boeing 7377BD
Aircraft serial
33922
Aircraft time
57,303 hours, 30,551 cycles
Part
Pressure Deck
Part number
UNKNOWN
Condition
Cracked
Location
Zn 100 Fus Lower
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

CRACK INDICATION ON WEB HORIZONTAL PRESSURE DECK AT BS 663 LBL 30 LENGHT OF CRACK : 0.375 IN. APPROX AT PASSENGER CABIN 2023-584472<[01] TOOL USED: EDDY CURRENT INSTRUMENT P/N: NORTEC 600D; S/N: 220272512; DUE DATE: 17-DEC-23;[02] TOOL USED: FLAPSPEED. P/N: FPK-PRO-104. S/N: PRO-3344. DUE DATE: 29/MAY/24.;[03] PERFORMED REPAIR ON WEB HORIZONTAL PRESSURE DECK LOCATED BS 663 & BS 675 BTW LBL 30 TO LBL 60 AT PASSENGER CABIN. IAW B737-700 SRM 53-40-52-2R-2 REPAIR 2. ?SEE INDIVIDUAL SIGNOFFS BELOW?.;[04] TASK CARD COMPLETED <BR>PERFORMED REPAIR ON WEB HORIZONTAL PRESSURE DECK LOCATED BS 663 & BS 675 BTW LBL 30 TO LBL 60 AT PASSENGER CABIN. IAW B737-700 SRM 53-40-52-2R-2 REPAIR 2. ?SEE INDIVIDUAL SIGNOFFS BELOW?.<BR>RII

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