Service difficulty report · None · Boeing 737*

Difficulty date
October 8, 2021
Submitted
November 18, 2021
Operation
Air carrier
Aircraft
N786SW
Make and model
Boeing 737*
Aircraft serial
29811
Aircraft time
68,452 hours, 40,246 cycles
Part
None
Condition
Cracked
Location
Center Wing
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

LOWER FUSELAGE CENTER WING L/H AIR CONDITIONING EXHAUST AIR EXIT SEAL RETAINER CRACKED @ INB. SIDE ;STA 663.75 MKD DOT ; / [01] REMOVED PREVIOUS REPAIR FOR ACCESS AT LOWER FUSELAGE CENTER WING L/H AIR CONDITIONING EXHAUST. PER SRM 51-40-02-0G-0; [02] REMOVED SEAL RETAINER AND DOUBLER PER B737-700 SRM 51-40-02-0G-0; [03] LOCATED AND DRILLED EXISTING FASTENERS HOLES TO DOUBLER PER B 737-700 SRM 51-40-05-0G-0; [04] VERIFIED 1 TO 3. OK TO INSTALL SEAL RETAINER; [05] OK TO INSTALL SEAL'S RETAINER DOBLER AND SEAL; [06] INSTALLED SEAL'S RETAINER DOUBLER; SEAL RETAINER AND SEAL PER B 737-700 SRM 51-40-02-0G-0; [07] VERIFIED 6; [08] REINSTALLED REPAIR PREVIOUSLY REMOVED ON STEP 1 PER SRM 57-10-10-2R-2 REPAIR 2 PARAGRAPH 6 TABLE 215; [09] REMOVED PREVIOUS REPAIR FOR ACCESS AT LOWER FUSELAGE CENTER WING L/H AIR CONDITIONING EXHAUST PER SRM 57-10-10-2R-2; [10] VERIFIED STEP 8. STEP 9 IS ONLY CORRECT REFERENCE FOR STEP 1