Service difficulty report · Fitting · Boeing 7377H4

Difficulty date
July 1, 2021
Submitted
July 30, 2021
Operation
Air carrier
Aircraft
N751SW
Make and model
Boeing 7377H4
Aircraft serial
29803
Aircraft time
74,739 hours, 44,231 cycles
Part
Fitting
Condition
Cracked
Location
R1 Door
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

FOUND CRACKED INTERNAL SEAL FITTING AT R-1 DOOR FWD. UPPER CORNER. ; / [01] REMOVED DAMAGE SEAL FITTING ( SEAL RETAINER ) FROM R-1 DOOR FWD UPPER CORNER PER B737-700 SRM 51-40-02-0G-0; [02] LOCATED AND DRILLED NEW SEAL RETAINER P/N 141A8372U1 P/O #1684224 PER B737-700 SRM 51-40-02-0G-O AND DRAWING # 141A8370; [03] VERIFIED STEPS 1 & 2; [04] OK TO TREAT AND PRIME; [05] TREATED & PRIMED NEW SEAL RETAINER; REF. : B737-7 SRM 51-20-01-0G-0.; [06] OK TO INSTALL SEAL RETAINER; [07] MIXED BMS 5-95 SEALANT AT 7:30AM 7/16/2021 SQUEEZE OUT TIME BY 3:30 AM 7/17/2021; [08] INSTALLED NEW SEAL RETAINER AT R-1 DOOR FWD UPPER CORNER PER B737-700 SRM 51-40-02-0G-0 AND DRAWING #141A8370; [09] VERIFIED STEP 7 & 8

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