Service difficulty report · Skin · Boeing 777222

Difficulty date
October 20, 2026
Submitted
October 23, 2026
Operation
Air carrier
Aircraft
N771UA
Make and model
Boeing 777222
Aircraft serial
26932
Aircraft time
108,820 hours, 19,989 cycles
Engine
Pwa PW4077
Part
Skin
Part number
135W1110
Condition
Cracked
Location
Zone 800
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

DAMAGE FOUND ON FWD CARGO DOOR FWD LOWER EDGE. SEAL RETAINER IS BENT BUT NOT CRACKED. BLADE SEAL INTACT. FOUND 1 PULLED RIVET UPON INSPECTION REF AVO18626, PERFORMED REPAIR UP TO PARA D, STEP 3, TO INCLUDE STEP 5 & 6. PRESSURIZED ACFT AT STEP 7 TO 4 PSI AND FOUND GROSS LEAKAGE AT REPAIR AREA AT BOTTOM RT CORNER OF FWD CARGO DOOR). SOAP SOLUTION WOULD MISTIFY & NOTICABLE LEAK ALSO FELT. UNACCEPTABLE PER ENGINEERING. REFINED COLD WORKING ON DOOR LOWER FWD CORNER TO FLUSH OR NEGATIVE AIRSTEAM. STRAIGHTENED SKIN AND SEAL RETAINER AND SMALL ADJUSTMENT TO SEAL DEPRESSOR. PRESSURIZED TO 4.0 AND REDUCE LEAK TO MINOR. SEAL RETAINER RIVET BELOW MIN EDGE DISTANCE, SEE SRM REPAIR 52-30-01-2R-17 REPAIR 17 FIG 202 SHEET 2. FILLER REMOVED CORNER SEAL RETAINER, ACP HFEC REF NTM PART 6 51-00-01 PROC. 2. OF REWORKED AREA REF SRM 52-30-01-2R17 REPAIR 17 STEP 4.A AND B(1). NO CRACK FOUND. VERIFIED MATERIALS FOR DOUBLER AND FILLER CORRECT, INSPECTED REPAIR AS REQUIRED IAW GMM 9-25-05 REF:SRM 52-30-01-2R-17, REPAIR 17.